PYY is an important hormone secreted during
the absorptive or postprandial phase to signal satiety. Where does PYY act in
the brain to signal satiety?

Question

Accepted Answer

PYY inhibits NPY/AgRP cells in the arcuate nucleus and acts via both the vagal afferents and the area postrema

Answer

PYY activates POMC cells in the arcuate nucleus and acts via both the vagal afferents and the area postrema

Answer

PYY acts only at vagal afferents to signal satiety via the NTS of the brainstem

Answer

PYY acts in an endocrine manner and therefore signals satiety via actions at both the NPY/AgRP and POMC cells of the arcuate nucleus

Crowdly

PYY is an important hormone secreted during the absorptive or postprandial phase...

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