posterior pituitary Flashcards
1
Q
what are nuclei
A
a group of cell bodies collectively together
2
Q
whats a tract
A
a bundle of axons grouped in the CNS
3
Q
what does the supraoptic nucleus release to the posterior pituitary
A
ADH (vasopressin)
4
Q
what can trigger the release of ADH
A
low blood volume
low blood pressure
high plasma osmolality (conc of solutes in water)
pain
5
Q
what can inhibit ADH release
A
low plasma osmolality
high blood pressure
alcohol
6
Q
what does the paraventricular nucleus release
A
oxytocin
7
Q
what stimulates the posterior pituitary to release oxytocin
A
birthing process
breastfeeding
ejaculation
