Androgens Flashcards
GnRH
gonadotropin releasing hormone
secreted by hypothalamus
stimulates cells in anterior pituitary
LH
luteinizing hormone
secreted by anterior pituitary
stimulates Leydig cells in testis to release testosterone
FSH
follicle stimulating hormone
secreted by anterior pituitary
stimulates Sertoli cells and spermatogenesis
testosterone effects
changes at puberty
growth promotion (hair, penis, skin, voice)
stimulation sexual function
stimulation erythrocyte production
decrease HDL levels
androstenedione
DHEA
DHEAS
methyltestosterone (oral)
testosterone enanthate (intramuscular)
testosterone cypionate (intramuscular)
adverse effects androgens in women
hirsutism, acne, amenorrhea, clit enlargement, deep voice
adverse effects androgens in men
acne, sleep apnea, azoospermia and testicular atrophy, increased aggressiveness and psychotic symptoms
5 alpha reductase inhibitors
finasteride and dutasteride
finasteride (class and uses)
5 alpha reductase inhibitor
benign prostatic hyperplasia (Proscar)
male pattern baldness (Propecia)
hirsutism in women
dutasteride (class and uses)
5 alpha reductase inhibitor
benign prostatic hyperplasia
male pattern baldness