GONADAL HORMONES: ANDROGENS

• LINEAR GROWTH BEFORE EPIPHYSIS FUSES

• ENHANCED GH SECRETION

• GROWTH OF MUSCLE: DOUBLING OF MUSCLE MASS IN BOYS AT PUBERTY (SIZE AND NUMBER OF MUSCLE CELLS) (GH AND THYROID NOT NEEDED FOR THIS)

• LITTLE EFFECT IN ADULT MEN WITH NORMAL TESTICULAR FUNCTION

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