HD 1004 Lecture Notes - Lecture 16: Sexual Differentiation, Congenital Adrenal Hyperplasia, Short Stature
Document Summary
Sex: biological aspect of being male or female. Gender: behavioral, psychological, and social characteristics of men and women. Gender is constructed through the complex interaction of both: nature: genetics and biology, nature: social and environmental up bring. Rapid physical maturation involving hormonal and bodily changes that occur primarily during early adolescence. Age at puberty decreasing because of improved nutrition and health, also environmental factors. Males: early maturing: see more positively and more successful socially, by age 30, late maturing boys have a stronger sense of identity. Hypothalamus: brain structure involve with eating and sex. Pituitary gland: endocrine glans that controls growth and gonads: interacts with hypothalamus. Testosterone: male genital maturation, height, and voice change(increases 18x for males and 2x females) Estrogen: female breast, uterine and skeletal development(8x female 2x male) Breast enlargement and or pubic hair, then armpit hair. Increase in height (rate peaks at age 11); 3. 5 inches/yr. 30% of adult height unexplained by childhood height.
