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puberty tanner

organs involved pituitary gland, gonad and hypothalamus
estrogen effects on bone maturation cause epiphyseal fusion and cessation of growth
puberty growth begins with enlarged hands and feet
peak height velocity male Tanner stage IV 14 years
peak height velocity female Tanner stage III 12 years
menarche occurs around Tanner stage IV and growth continues for 1-2 years
physical changes in girls vaginal secretions become acidic; change in vaginal layer to thick, gray mucoid lining; vaginal flora changed from mixed to Doderlein's lactic acid producing bacteria
physical changes in boys change in color of scrotum, may temporary develop breasts, increase in length & height of penis, height and shoulder breadth & size of testes
Created by: deleted user