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Related to ghrelin: PYY
A hormone that is secreted by cells in the stomach and promotes hunger before an expected meal, decreases in amount after eating, and promotes secretion of growth hormone.
[Coined by its discoverers from ghrē-, reconstructed Proto-Indo-European root of English grow; see grow + -in (probably influenced by g(rowth)-h(ormone)-rel(easing peptide), a description of ghrelin's function and chemical composition).]
(Biochemistry) a hormone produced in the body that stimulates appetite
[C20: from g(rowth) h(ormone) rel(easing) + -in]
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|Noun||1.||ghrelin - a gastrointestinal hormone produced by epithelial cells lining the fundus of the stomach; appears to be a stimulant for appetite and feeding, but is also a strong stimulant of growth hormone secretion from the anterior pituitary|