Ontogenesis of Man

This Book Describes The Mysterious Story And The Sequence Of Events Involved In Growth And Development Of Man Which Start To Take Place Early During Conception When One Single Egg Is Fertilized By One Single Sperm To Form The Embryo Who Continues To Grow And Mature Inside The Uterus Of Its Mother For Ten Lunar Months. After Birth Through A Series Of Complex Fascinating Changes Acting In Concert Together During Infancy Childhood And Adolescence The Child Is Modeling His Or Her Characteristics And Progresses From Dependency To Increasing Autonomy Changing His Or Her Shape And Body Proportions From Those Of The Baby To Those Of Adults To Become A Man Or A Woman. With The Onset Of Puberty Shortly Before The End Of The Growth Period Dramatic Changes Occur To The Growing Child Involving Physiological Mental And Sexual Changes Triggered By Maturation Of The Sex Glands And The Endocrine System. These Events Are Important To The Child His Parents And The Community. There Is Marked Acceleration Of Growth Known As The Adolescence Growth Spurt Appearance Of Second Sexual Characters And Onset Of Menarche In Girls. At Puberty Sex Dimorphism Is Made Clear Like Wider Shoulders In Males And Larger Hips In Females. Different Stages Of Puberty Occur At Different Ages In Different Children Depending Whether The Child Is Early Or Late Maturer And The Sequence In Which They Occur Varies From One Child To Another. Some Pass Through The Whole Sequence Of Changes Quite Quickly While Others Take Much Longer To Do So But All Are Normal Variations Among Healthy Children. The Problems Of Early And Late Maturation And Chronological And Physiological Ages Among Children And Its Social Impact Are Discussed. This Period Is The Most Crucial Period Of Life Physical Maturation Is Reached Internal Conflicts Flare Up Adolescents Feel A Desire To Abandon Childhood Security And Become Independent Long Before They Are Able To Handl