Saturday, February 12, 2011

Changes and Challenges in Adolescence

INTRODUCTION

Adolescence, the transitional stage of development between childhood and adulthood, represents the period of time during which a person experiences a variety of biological changes. He or she encounters a number of emotional issues. Adolescence is marked by accelerated physical growth, development of reproductive organs, and changes in functioning of the neuroendocrine system. Adolescents experience frequent shifts of moods and emotional turbulence prompted by increased production of hormones. They go through different types of changes physical as well as psychological. Adolescents are often subjected to various sufferings and struggle, especially those who are from poor families. They are often targeted and sexually abused by their own family members. Very many times, they are even assaulted by their own fathers and brothers. Most of the times, minor girls are treated like animals. They become like vegetables in the hands of agents who buy and sell them as it is done with vegetables. In this paper, I will present the changes and challenges which the adolescents undergo during the growth as human beings and how they become victims of various sociological and other aspects in the society.

CHAPTER ONE

CHANGES IN ADOLESCENCE

Adolescence (12 - 18 years old) is a particularly hard time for children. They experience all kinds of new changes in their bodies and in their feelings. They often feel misunderstood as they struggle to leave behind their childhood and become adults. It is of the utmost importance to recognize that the huge fund of energy of the adolescent is due not simply to sexual development and indeed not simply to the endocrine system, but in part to an accentuation of the process of growth. This is connected with the fact that there is typically in adolescence enormous increase in activity in connection with almost everything from sports and horseplay to science and religion and philosophy, depending on the individual and the group.  There is a deepening and a broadening of life. This is in some degree a direct or indirect expression of sex energy, but it is as profound and as extensive as personality development itself.[1]  Adolescence has commonly been characterized by issues such as rebellious behaviour, lying, cheating, school performance problems, negative attitudes, disobedience and disrespect, sibling rivalry, drug and alcohol abuse, pressures from peers, depression, and issues of sexuality.

1.1 Physical Changes

The adolescents go through different types of changes during these periods. The onset of early adolescence is marked by rapid physical change. The changes associate with puberty a height spurt, the maturation of the reproductive systems, the appearance of secondary sex characteristics and redistribution of body weight.[2]

1.1.2 Puberty

Puberty is the stage where a child transforms from physical immaturity into becoming capable of reproduction. One of the first visible signs of puberty is a growth spurt - both in the child's size and shape. Boys experience the increased height and muscle mass. Boys often loose fat and become more angular and muscular, making them stronger as well.
The onset of puberty in girls occurs at approximately 11 years of age. They experience a growth in their breasts and a hip expansion. Sex organs change and mature and girls experience menarche, or their first menstruation.

1.1.3 Peer Interactions

Relationships with peers change at this time as well. Peer interaction increases even more than it did during middle childhood. High school students spend twice as much time with their peers outside school as they do with their parents or other adults. Adolescent peer groups function with less guidance and control from adults than do the peer groups of younger children. Instead of being confined to local neighbourhoods, adolescent peer groups draw their members from many neighbourhoods. As adolescents increasingly distance themselves from adults, most seek out members of the other sex. This gender reorganization is a major reason for reorganization of peer groups during adolescence. Peer groups increase in size at the same time that friendships and other close relationships increase in intensity.
1.1.4 Friendship
Both girls and boys develop intense friendships with other same sex children, who share the same interests. Girls, in particular, develop more intense intimate relationships with a few other girls. Boys develop less intense relationships with a greater number of other boys. Close friendships in the teen years have been seen to have positive benefits to the children. Although their general attitudes may be well formed, adolescents continually acquire new attitude, or changing their attitudes, toward specific people and objects.[3]
1.1.5 Parental Relationships
With respect to the teen years, parental relationships and parents' authority over their children decreases in relation to that of their children's peers. This is due to the increased time that children spend with their peers. The parent must now exercise even more authority through persuasion than they did earlier. However, it is good to know that most adolescents share their parents' values, and most prefer to talk about conflict rather than use outright anger and rejection to resolve a problem. Conflicts with parents at this time seem to center around on matters of taste, which may reflect larger issues of control.

1.1.6 Identity

Identity develops a great deal during the adolescent years. Existing identity and personality must be integrated with new sexual capacities and social relationships. There is a marked decline in self-esteem at the onset of adolescence, especially among girls.  This reflects the difficulties that teens have adjusting to biological and social changes. Self-esteem should rise throughout adolescence as the new teen adjusts to these changes. Identity formation is an activity that teens actively seek. They attempt to categorize themselves and define themselves through certain activities.

1.2 Emotional Changes

It is generally accepted that the emotions add richness to life. During adolescent period various emotional changes take place.
“Adolescents are excessively egoistic, regarding themselves as the center of the universe and the sole object of interest, and yet at no time in later life are they capable of so much self-sacrifice and devotion. They form the most passionate love relations, only to break them off as abruptly as they begin them. On the one hand, they throw themselves enthusiastically into the life of the community and, on the other hand, they have an overpowering longing for solitude.”[4]

1.2.1 Affection or the Tender Emotions

Affection is a two-way process. Not only should the adolescents receive affection but they should be trained to become interested in the well-fare on others.

1.2.2 Love as Associated with Sex

Strong affection and physical attraction combine to represent the emotion usually referred to as love between the sexes. The normal, healthy adolescent experiences great emotional satisfaction from companionship with a member of other sex. The adolescent may become attracted to one or more members of the opposite sex.[5]

1.2.3 Anger and Aggressive Behaviour

Most adolescents experience anger when their wishes are not fulfilled. This emotion arises out of personal feelings of insecurity. They are more subtle in their expression of anger, yet just as devastating. They make use of sarcasm and ridicule.[6] 

CHAPTER TWO 

COMMON PROBLEMS

In a perfect world, children and teens would grow up to be happy, healthy, functioning adults. However, there are hundreds of influences that they encounter throughout their early lives that will have an impact on their development - both in negative and positive ways. There are various issues and disorders that adolescents may face in the turbulent times of their teen years. An adolescent feels all kinds of pressures - from parents, school and peers. They are in a transitional period where they move from childhood to adulthood. Today’s adolescents face a number of pressing public health problems like-Unintentional injury, suicide, homicide, unplanned pregnancy, sexually transmitted diseases, substance abuse, etc. Perhaps even more disturbing is the fact that the leading causes of morbidity and mortality among our young people are usually preventable. While most teenagers escape a close brush with death, each year thousands of American youth are not as fortunate.

2.1 Motor Vehicle Accidents

Motor vehicle accidents kill more teenagers than all other causes combined with 15,000 deaths reported annually from automobile related injuries alone. Alcohol and other drugs are known to be factors in many of these fatalities.

2.2 Suicide

 Another sobering statistic is that the rate of adolescent suicide has tripled over the past three decades to 5,000 per year. It is estimated that there are 50-200 attempts for every death by suicide. Many adolescents also succumb to pressures on how to look, feel and act in a society obsessed with people’s appearances and with the desire for immediate gratification.

2.3 Eating Disorders

Eating disorders have also become very common as the preoccupation with thinness supersedes a desire to be healthy and teenagers often resort to desperate or even dangerous methods of weight control.
2.4 Conduct Disorder
Conduct disorder is a complicated group of behavioural and emotional problems in youngsters. Children and adolescents with this disorder have great difficulty following rules and behaving in a socially acceptable way. They are often viewed by other children, adults and social agencies as "bad" or delinquent, rather than mentally ill.
2.5 Social Network
There is the presence of other psychological disorders, including antisocial behaviours, mania and aggressive tendencies, in teens who have a strong Facebook presence. It develops increased absence from school and likelihood of developing stomach aches, sleeping problems, anxiety and depression, in teens who overdose in technology on a daily basis, including Facebook and video games. It also lowers the reading retention rates for students who most frequently had Facebook open on their computers during the 15-minute study period
2.6 Alcohol and Drug Abuse

In the 15-21 year age range, 50% of deaths (from accidents, homicides, suicides) involve alcohol or drug abuse. Drugs and alcohol also contribute to physical and sexual aggression such as assault or rape. Possible stages of teenage experience with alcohol and drugs include abstinence (non-use), experimentation, regular use (both recreational and compensatory for other problems), abuse, and dependency. Repeated and regular recreational use can lead to other problems like anxiety and depression. Some teenagers regularly use drugs or alcohol to compensate for anxiety, depression, or a lack of positive social skills.

American high school age youths have a higher level of illicit drug use than those of any other industrialized nation. Roughly 60% of American students try an illegal drug such as marijuana, amphetamines, heroin and other opiates, cocaine or barbiturates. Alcohols depress the central nervous system. Although many people think that alcohol makes one “high” at its greatest levels of concentration, it can cause death by suppressing the breath.[7]

2.7 Sexual Abuse  
                                                                                                                                                                                               
Child sexual abuse has been reported up to 80,000 times a year, but the number of unreported instances is far greater, because the children are afraid to tell anyone what has happened, and the legal procedure for validating an episode is difficult. The problem should be identified, the abuse stopped, and the child should receive professional help. The long-term emotional and psychological damage of sexual abuse can be devastating to the child.

Child sexual abuse can take place within the family, by a parent, step-parent, sibling or other relative; or outside the home, for example, by a friend, neighbour, child care person, teacher, or stranger. When sexual abuse has occurred, a child can develop a variety of distressing feelings, thoughts and behaviours.

Very often minor girls are abused by their own fathers. For instance, a 14 years old girl from Kerala was allegedly raped by her own father. He even allegedly pushed her into the sex trade. She states that “A heavily- built man assaulted me. I bled profusely.”[8] She complained to the police that her father had pushed her into and organized sex racket. It now turns out that over 18 months she was abused by 130 people across Kerala, Tamil Nadu and Karnataka. Most of the time minor girls are treated like animals. They become like vegetables in the hands of agents who buy and sell them as it is done with vegetables. “Minor girls are much sought after in the flesh trade. When a minor girl reaches a pimp, she alerts her clientele. There are people who are willing to pay Rs 1 lakh for a minor girl.”[9] Sex rackets are like whirlpools. Once a victim gets sucked into it, she cannot escape. They become helpless and hopeless in their lives. No remedy is found for their psychological and physical wounds especially for their social wounds. They are deprived of their basic right to live as human beings with a dignity. “The more time people are deprived of, the more life they are deprived of.”[10]

Each year in this country one million (one in ten) teenage girls become pregnant. The vast majority of these pregnancies are unplanned. There are also more than three million cases of sexually transmitted diseases, including HIV, reported among adolescents every year in this country.

Homeless youths are vulnerable to victimization, including robbery, rape, and assault. Also, homelessness often leads to initiation or escalation of substance use. High rates of externalizing and internalizing problems, including psychosis, have been found among this population. Moreover, high rates of risky sexual behaviour, including prostitution and survival sex (sex in exchange for money, drugs, or shelter); place these young people at risk for victimization and sexually transmitted diseases.

CONCLUSION

The adolescence is a very fragile period of a child. He or she goes through a various biological and psychological changes during this period. The adolescent period decides the future of a child. If a child receives due attention and guidance during this period then she or he realizes the value of life. In adolescence there is activation and a sensitization of the whole living system; and whatever interests are already there, whatever skills already exist, whatever values have taken shape earlier as a result of growth and learning, are ready for intensification, fresh direction. Skills ,  values, outlooks toward life tend to achieve more definite form and to be stimulated enriched, organized, enthusiastically cultivated, so that often the ground plan of life is laid in a relatively short time in this period of the first great accentuation of one’s powers. They should be handled very carefully so as to avoid any misunderstanding during their early life. Usually they find very difficult to adjust with the changes in their own body. In other words, the changes in their body challenge them badly. Let the children know the value and purpose of their life.         



BIBLIOGRAPHY:
Crow, Lester, D., and Crow, Alice. Child Psychology. New York: Barnes & Noble, Inc., 1953.
Freud, Anna. The Ego and the Mechanisms of Defence. New York: International University Press, Inc., 1966.
Morgan, Clifford, T., and King, Richard, A. Introduction to Psychology. New Delhi: Tata McGraw- Hill Publishing Company Ltd., 1975.
Murphy, Gardner. An Introduction to Psychology. Calcutta: Oxford & IBH Publishing Company, 1972.
Newman, Barbara, M., and Newman, Philip, R. Development Through Life A Psychosocial Approach.        California: Books/Cole Publishing Company Pacific Grove, 1991.
Pandikattu, Kuruvilla. This Too Will Pass Away. Pune: Jnanam Publication, 2003.
Philip, Shaju. “130 Accused 1 Victim.” The Sunday Express. August 7, 2011.



                                                                                                                                                                                                                                                                                                                       












[1] Gardner Murphy, An Introduction to Psychology (Calcutta: Oxford & IBH Publishing Co., 1972), 78.
[2] Barbara M. Newman and Newman, Development Through Life, 5th edition (California: Books/ Cole Publishing Company Pacific Grove, 1991), 368-372.
[3] Clifford T. Morgan and King, Introduction to Psychology (New Delhi: Tata McGraw- Hill Publishing Company Ltd., 1975), 387.
[4] Anna Freud, The Ego and the Mechanisms of Defence (New York: International University Press, Inc., 1966), 137-138.
[5] Lester D. Crow and Crow, Child Psychology (New York: Barnes and Noble, Inc., 1953), 77-80.
[6] Ibid., 82.
[7] Barbara M. Newman and Newman, Development Through Life, 405.
[8] Shaju Philip, “130 Accused 1 Victim,” The Sunday Express (August 7, 2011), 9.
[9] Ibid.
[10] Kuruvella Pandikattu, This too Will Pass Away (Pune: Jnanam Publication, 2003), 59. 

Friday, February 11, 2011

Awesome Conversation...really worth reading

Awesome Conversation (Must Read) Don't miss even a single word... Too good

An atheist professor of philosophy speaks to his class on the problem science has with God, The Almighty. He asks one of his new students to stand and.....
Prof:
-So you believe in God?
Student:
-Absolutely, sir.
Prof
: -Is God good?
Student:
-Sure.
Prof:
-Is God all-powerful?
Student
: -Yes.
Prof:
-My brother died of cancer even though he prayed to God to heal him. Most of us would attempt to help others who are ill. But God didn't. How is this God good then? Hmm?


Prof:-You can't answer, can you? Let's start again, young fellow Is God well?
Student:
-Yes.
Prof:
-Is Satan good?
Student
: - No.
Prof:
-Where does Satan come from?
Student:
-From...God....
Prof:
-That's right. Tell me son, is there evil in this world?
Student:
-Yes.
Prof:
-Evil is everywhere, isn't it? And God did make everything. Correct?
Student:
-Yes.
Prof:
-So who created evil?


(Student does not answer.)


Prof:
-Is there sickness? Immorality? Hatred? Ugliness? All these terrible things exist in the world, don't they?
Student:
-Yes, sir.
Prof:
-So, who created them?

Prof:-Science says you have 5 senses you use to identify and observe the world around you. Tell me, son...Have you ever
seen God?
Student:
-No, sir.

Prof:
-Tell us if you have ever heard your God?
Student:
-No, sir.

Prof:
-Have you ever felt your God, tasted your God, smelt your God? Have you ever had any sensory perception of God for that matter?
Student:
-No, sir. I'm afraid I haven't.

Prof:
 -Yet you still believe in Him?
Student:
-Yes.

Prof:
-According to empirical, testable, demonstrable protocol, science says your GOD doesn't exist. What do you say to that, son?
Student:
-Nothing. I only have my faith.

Prof:
-Yes. Faith. And that is the problem science has.
Student:
-Professor, is there such a thing as heat?

Prof:
-Yes.
Student:
-And is there such a thing as cold?

Prof:
-Yes.
Student:
-No sir. There isn't.
 
(The lecture theatre becomes very quiet with this turn of events.)

  
Student
-: Sir, you can have lots of heat, even more heat, superheat, mega heat, white heat, a little heat or no heat. But we don't have anything called cold. We can hit 458 degrees below zero which is no heat, but we can't go any further after that.
There is no such thing as cold
. Cold is only a word we use to describe the absence of heat. We cannot measure cold. Heat is energy. Cold is not the opposite of heat, sir, just the absence of it. (There is pin-drop silence in the lecture theatre.)

Student:
-What about darkness, Professor? Is there such a thing as darkness?
Prof:
-Yes. What is night if there isn't darkness?
Student:
-You're wrong again, sir. Darkness is the absence of something. You can have low light, normal light, bright light, flashing light....But if you have no light constantly, you have nothing and its called darkness, isn't it? In reality, darkness isn't. If it were you would be able to make darkness darker, wouldn't you?

Prof:
-So what is the point you are making, young man?
Student:
-Sir, my point is your philosophical premise is flawed.

Prof:
-Flawed? Can you explain how?
Student:
-Sir, you are working on the premise of duality. You argue there is life and then there is death, a good God and a bad God. You are viewing the concept of God as something finite, something we can measure. Sir, science can't even explain a thought. It uses electricity and magnetism, but has never seen, much less fully understood either one. To view death as the opposite of life is to be ignorant of the fact that death cannot exist as a substantive thing. Death is not the opposite of life: just the absence of it.
Now tell me, Professor. Do you teach your students that they evolved from a monkey?

Prof:
-If you are referring to the natural evolutionary process, yes, of course, I do.
Student:
-Have you ever observed evolution with your own eyes, sir?

Student:-Since no one has ever observed the process of evolution at work and cannot even prove that this process is an on-going endeavor, are you not teaching your opinion, sir? Are you not a scientist but a preacher? (The class is in uproar.)
Student:
-Is there anyone in the class who has ever seen the Professor's brain?
(The class breaks out into laughter.)
Student
: - Is there anyone here who has ever heard the Professor's brain, felt it, touched or smelt it? No one appears to have done so. So, according to the established rules of empirical, stable, demonstrable protocol, science says that you have no brain, sir. With all due respect, sir, how do we then trust your lectures, sir?

Prof:-I guess you'll have to take them on faith, son.
Student:
-That is it sir.... The link between man & god is FAITH . That is all that keeps things moving & alive.


NB: I believe you have enjoyed the conversation...and if so...you'll probably want your friends/colleagues to enjoy the same...won't you?..... This is a true story, and the


student was none other than.........

...
..
..
...
..
..
...
..
...
..
APJ Abdul Kalam , the former president of 
India .
__._,_.___


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Wednesday, February 2, 2011

Never Have I Fallen


Your lips speak soft sweetness
Your touch a cool caress
I am lost in your magic
My heart beats within your chest

I think of you each morning
And dream of you each night
I think of your arms being around me
And cannot express my delight

Never have I fallen
But I am quickly on my way
You hold a heart in your hands
That has never before been given away

- Rex A. Williams -

Monday, January 17, 2011

Baboons - Social Behavior

Baboon social behavior is matrilineal, in which a network of social relationships are sustained over three generations from the female members of the species. A troop of baboons can range in number from 30 to over 200 members, depending upon the availability of food. The baboon troop consists of related bands composed of several clans, where each clan may have a number of smaller harem families made up of mothers, their children, and a male. Female baboons remain with the group into which they are born for the duration of their lives, while the males leave to join other troops as they become mature.
Ranking within the group of females begins with the mother, with female offspring ranking below their mothers. Adult females are either nursing or pregnant for most of their lives, and they spend a great deal of time with other female friends, avoiding the males. During a daytime rest period, the females gather around the oldest female in the troop and lie close together. The way baboons huddle together while they are resting and the other movements in their troops are defense measures against outsiders and predators. The dominant males travel in the center of the troop to keep order among the females and the juveniles, while the younger males travel around the outer fringes of the group.
During their rest periods, baboons spend considerable time grooming one another, which helps to reinforce their social bonds. Females have male baboons that assist them in caring for their infants and protecting them from danger. These males may not be the fathers, but they may later mate with the female.


Monday, January 10, 2011

THE SENILITY PRAYER :

Grant me the senility to forget the people
I never liked anyway,
The good fortune to run into the ones I do, and
The eyesight to tell the difference.

        Now, . . .you are supposed to share this with a bunch of your friends, 

And remember this:

"You don't stop laughing because you grow old, 
  You grow old because you stop laughing!!!"

Monday, November 15, 2010

Blood of Jesus


The Blood of Jesus - A very nice  must read. 
One night in a church service a young woman felt the tug of God at her heart.

She responded to God's call and accepted Jesus as her Lord and Savior.

The young woman had a very rough past,involving alcohol, drugs, and prostitution.

But, the change in her was evident. As time went on she became a faithful member of the church.

She eventually became involved in the ministry, teaching young children.

It was not very long until this faithful young woman had caught the eye and heart of the pastor's son.

The relationship grew and they began to make wedding plans.

This is when the problems began.

You see, about one half of the church did not think that a woman with a past such as hers was suitable for a pastor's son.  The church began to argue and fight about the matter. So they decided to have a meeting.

As the people made their arguments and tensions increased, the meeting was getting completely out of hand.  The young woman became very upset about all the things being brought up about her past.

As she began to cry the pastor's son stood to speak. He could not bear the pain it was causing his wife to be. He began to speak and his statement was this:

"My fiance's past is not what is on trial here. What you are questioning is the ability of the blood of Jesus to wash away sin. Today you have put the blood of Jesus on trial. So, does it wash away sin or not?"

The whole church began to weep as they realized that they had been slandering the blood of the Lord Jesus Christ.

Too often, even as Christians, we bring up the past and use it as a weapon against our brothers and sisters.

Forgiveness is a very foundational part of the Gospel of our Lord Jesus Christ. If the blood of Jesus does not cleanse the other person completely then it cannot cleanse us completely.

If that is the case, then we are all in a lot of trouble. What can wash away my sins? Nothing but the blood of Jesus! End of case!!!!

"Cast thy burden upon the Lord, and he shall sustain thee he shall never suffer the righteous to be moved."  Psalm 55:23


My instructions were to pick four people that I wanted God to bless and I picked you. Please pass this to four people you want to be blessed. This prayer is powerful and prayer is one of the best gifts we receive.There is no cost but a lot of rewards,let's continue to pray for one another.

Here is the prayer:

"Father, I ask you to bless my friends,relatives and email buddies reading this right now. Show them a new
revelation of your love and power.  Holy Spirit, I ask you to minister to their spirit at this very moment. Where there is pain, give them your peace and mercy. Where there is self doubt, release a renewed confidence through your grace.In Jesus' precious name. Amen!



Wednesday, October 20, 2010

Charity Begins At Home


CHARITY BEGINS AT HOME

Who has coined the proverb Charity begins at home? We can find different versions regarding the author of this proverb. In some texts it is seen as framed by Sir Thomas Browne, an English author, who lived in the 16th century. Some people attribute it to Mr. John Wycliffe, another English theologian of 13th Century. He wrote in one of his texts as 'Charity should begin at himself.’ There is also popular belief that the idea of the proverb is originated from the bible.
Whatever may be the facts we are not concerned about the author of the proverb. We are more concerned about what does it mean and what is the relevance of this proverb in 21st century. The proverb 'Charity begins at home' is a very vague one. A very primitive meaning of the proverb is One's own family comes before any other responsibilities. Or even we can say be generous to your family before helping others. Before sorting out the problems outside it is our primary responsibility to sort it out it at one’s own home, if it exists there. In a nutshell sort out your mum dad sister and brother before you start worrying about people in Ethiopia. 
This happens to be one of the most valuable life lessons, i.e. Take care of yourself first, before you try to help others. William Shakespeare said, "To thine own self be true." Your greatest responsibility is towards yourself first. Once that is taken care of, you can start caring for others. As it's said ‘If you want to lift somebody up, you have be on higher ground first'. Many people may think that this viewpoint is of self-interest and narcissistic. They think that they have to sacrifice themselves for others. If that would have been true then why do you think Jesus Christ say, "Love your neighbor as you love yourself". Underline the word ‘as'. If you don't love yourself, you just cannot love others.   
In a broader way if you think, our mentality to help others should start from our own society, state, country and so on. 

Sometimes in life

Sometimes in life, you find a special friend;  Someone who changes your life  just by being part of it.  Someone who makes you laugh  until you can't stop;  Someone who makes you believe  that there really is good in the world.  Someone who convinces you  that there really is an unlocked door  just waiting for you to open it. 

Tuesday, October 5, 2010

fulitrose: GOD Said NO

fulitrose: GOD Said NO

GOD Said NO

I asked God to take away my habit.
God said, No.
It is not for me to take away,
but for you to give it up.

I asked God to make my handicapped child whole.
God said, No.
His spirit is whole, his body is only temporary.

I asked God to grant me patience.
God said, No. Patience is a byproduct of tribulations;
it isn't granted, it is learned.

I asked God to give me happiness..
God said, No.
I give you blessings;
Happiness is up to you.

I asked God to spare me pain.
God said, No.
Suffering draws you apart from worldly cares
and brings you closer to me.


I asked God to make my spirit grow.
God said, No.
You must grow on your own,
but I will prune you to make you fruitful.

I asked God for all things
that I might enjoy life.
God said, No.
I will give you life,
so that you may enjoy all things.


I asked God to help me LOVE others, as much as He loves me.
God said... Ahhhh,
finally you have the idea.



**The greatest gift you can give someone is your TIME, because you are giving that part of your life that can never come back.**

Thursday, July 22, 2010

Morphological characters of cancer cells

CHARACTERISTICS OF CANCER CELLS:

A) MORPHOLOGICAL CHARACTERS:

Study of cancer cells under the Electron Microscope reveals many fine structural abnormalities of the cellular organelles. A tumour or cancerous growth consists of undifferentiated cells which grow and disorganize the tissue in which it occurs. Electron microscopy of cancer tissues and cancer cells has visualized many fine structural variations or abnormalities of cellular organelles.

1) Nucleus:
The nuclei of the cancer cells are usually enlarged with irregularly distributed chromatin. The nuclear membrane is pushed into deep infoldings (blebs) containing cytoplasmic material. The nucleus of cancer cells may also contain proteins, glycogen, lipids and viruses.
The nucleolus of cancer cells display hypertrophy. It becomes more irregular and enlarged. The shape of nucleolus is more irregular than in normal cells and quite frequently several nucleoli present within ones nucleus.

2) Cytoplasm :

In the cytoplasm of a cancer cell following alterations have been frequently observed:

A) Ribosomes and Ergastoplasm:
Ribosomes are more abundant in cancer cells. Formation of polysomes is more frequent. This is associated with the increase in protein synthesis necessary for the rapid growth and proliferation of cancer cells. Usually the cytoplasm of cancer cells is filled with ergastoplasm and ribosomes.

B) Golgi complex:
The Golgi complex of a cancer cell of an exocrine gland (e.g. pancreas, thyroid, etc.) has been found considerably developed. They also increase in number since more enzymes are for the hyperactive cancer cells. But as a rule the cancer cells have a poorly developed Golgi complex.

C) Mitochondria:
Among all the fine structural changes in tumour cells, mitochondrial alterations are the most frequent and striking once. Mitochondria of cancer cells are often swollen (due to over activity) and lack various structural details.

D) Disorganized cytoskeleton:
The cytoskeleton gets depolymerized due to which the cancer cells become independent and their movements become uncoordinated.



E) Other cytoplasmic organelles:

Annulate lamellae and paired cisternae are more frequently found in cancer cells.

F) Pathological cytoplasmic inclusions:
The cytoplasm of cancer cells from different regions is found to contain different types of inclusions. For e.g., milk is found in mammary tumor-cells, colloidal substance in thyroid cancer, etc.

Many cancer cells have phagocytic activity. Cell debris of all kinds may be found in the cytoplasm in various stages of disintegration and digestion. Certain cancer cells have many lysosomes.

3) Plasma membrane:

Usually the plasma membrane remains unchanged except that the intercellular connections may increase in number in cancerous epithelial cells. Intercellular connections may be normal or desmosomes may be more numerous in keratinizing epitheliomas. The cancer cells show no intercellular coupling and they fail to communicate with normal cells.

4) Anaplasia:

In the rapidly growing tumours, a very low degree of differentiation of cancer cells occurs. This is known as anaplasia. Malignant tissues gradually lose the architecture of the normal homologous tissue. On cellular level the fine structure of cytoplasm is much less organized.

5) In cancer cells, the mitotic rate is not inhibited and in cultures the cells tend to pile up, forming irregular masses several layers deep. These cells show less adhesion to the solid support or among themselves and motility is more pronounced.