CNS 9: Hypothalamic Control Flashcards
1
Q
wheere are the hypothalamus and the pituitary
A
2
Q
how does the hypothalamus control pathways
A
3
Q
where does the hypo send hormones
A
4
Q
what is the difference between hypo signalling to the posterior and anterior pituitary
A
5
Q
what happens to a mouse with lesions in the VMH? why?
A
6
Q
what happens to a mouse with lesions in the LH? why?
A
7
Q
what arcuate cells drive feeding
A
8
Q
what arcuate cells inhibit feeding
A
9
Q
what happens in the fasting state: what does ArcNPY inhibit? What does it excite? what does PVN do? what happens to feeding?
A
10
Q
overall: how does Arc NPY DISINHIBIT feeding behaviour (make you hungry)
A
11
Q
what is orexin? how is it involved in feeding?
A
12
Q
what is the post prandial state?
A
13
Q
after a meal: what does Arc-POMC produce and release? what does this chemical excite? what does it inhibit? how does this affect the sympathetic system? what happens to feeding?
A
14
Q
overall: how does ArcPOMC inhibit feeding
A
15
Q
what is the setpoint in feeding?
A