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puberty
puberty tanner
Question | Answer |
---|---|
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 |