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Physiology-Hypo/Pit
Physiology-Hypothalamus and Pituitary Gland-WVSOM Class of 2012
Question | Answer |
---|---|
which neurons work on the pars distalis? pars nervosa? | parvicellular; magnicellular |
adh works how? | v2 receptors bind with adh, camp makes aquaporin receptors for h20 entry |
4 effects of adh? | water uptake, vasoconstriction, stimulate acth, spermatic cord contraction |
what is the effect of catecholemine on oxytocin? | inhibits |
oxytocin is mediated by what receptor? | gq |
prolactin can be influenced by what 3 hormones? which has primary influence? | dopamine, thyrotropin releasing hormone, and somatostatin; dopamine |
prolactin functions? | lactation, reproduction, lymphocyte growth factor |
does dopamine inhibit or excite prolactin? | inhibit |
where are gh receptors found? | liver, muscle, adipose |
what is the weird thing that stimulates gh? inhibits? | ghrelin; somatomedins (igf) |
what all does somatostatin inhibit? | GH, PRL, and TSH, insulin, glucagon, enteroendocrine cells |
what kind of release is acth under? | circadian |
name 2 uncommon tsh stimulators? | cold and leptin |
what are some tsh inhibitors? | T4/T3, fasting, somatostatin, dopaminecortisol, GH |