20.6 & 20.7 Other Endocrine Glands & Chemical Signals
Terms
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- gonads
- testes in males and ovaries in females
- testes
- located in the scrotum; produce androgens (testosterone), sex hormones
- ovaries
- located in the pelvic cavity; produce estrogens and progesterone, sex hormones
- anabolic steroids
- testosterone or related chemicals
- estrogens and progesterone
- necessary for egg maturation and responsible for secondary sex characteristics
- thymus
- secretes hormones called thymosins; lymphocytes
- thymosin
- aid in differentiation of lymphocytes packed inside lobules
- pineal gland
- biorythms; located in the brain; produces melatonin, primarily at night
- circadian rhythms
- daily 24 hour cycles; biological clock
- prostaglandins
- chemical signals that cause muscles to contract; pain and discomfort of menstruation
- pheromones
- chemical signals that act between individuals