Reproductive Hormones Flashcards
(27 cards)
GnRH targets
anterior pituitary
GnRH causes
release of gonadotrophins (FSH & LH)
where does prolactin come from
anterior pituitary
where does GnRH come from
hypothalamus
prolactin target
mammary gland
prolactin causes
-initiate lactation
-mammary gland development
FSH comes from
anterior pituitary
FSH targets
the ovary (follicles) and testicles (seminiferous tubules)
FSH causes
follicle growth and egg production
LH comes from
anterior pituitary
LH targets
-follicle and CL
-testicles (interstitial cells)
LH causes
-ovulation
-rupture of follicle
-CL growth
-testosterone
oxytocin comes from
posterior pituitary
oxytocin causes (4)
-contractions of smooth muscles
-contractions at parturition
-move sperm and eggs
-milk letdown
oxytocin targets
-mammary gland, uterus, oviduct
-vasdeferens
estrogen (E2) comes from
ovary (follicles)
estrogen targets
-whole body
-mammary gland
estrogen causes
-behavioral signs of heat
-alveoli and duct development
progesterone (P4) comes from
ovary (CL)
progesterone targets
uterus and mammary gland
progesterone causes
quietness; preparing and maintaining pregnancy
prostaglandin comes from
-uterus if not pregnant
-uterus and placenta near parturition
prostaglandin targets
CL
prostaglandin causes
destruction of CL (luteolysis)
