Ghrelin

Ghrelin (pr. GREL-in), the `hunger hormone`, is a peptide produced by ghrelin cells in the gastrointestinal tract which functions as a neuropeptide in the central nervous system. Beyond regulating hunger, ghrelin also plays a significant role in regulating the distribution and rate of use of energy. When the stomach is empty, ghrelin is secreted.....
Found on http://en.wikipedia.org/wiki/Ghrelin

ghrelin

noun a hormone produced by stomach cells; `ghrelin is thought to increase feelings of hunger`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=ghrelin

Ghrelin

A hormone produced by cells in the stomach lining and pancreas. Ghrelin stimulates hunger, increasing food intake, and is also important for the secretion of growth hormone.
Found on http://www.encyclo.co.uk/local/22136

Ghrelin

a hormone that relays messages between the digestive system and the brain. It works to stimulate appetite, slow metabolism, and decrease your body’s ability to burn fat.
Found on https://www.joslin.org/info/diabetes_glossary.html

ghrelin

Type: Term Pronunciation: grel′in Definitions: 1. A naturally occurring 28-amino acid gut-brain growth hormone releasing peptide (GHRP) that is expressed mainly in the stomach and possibly in the hypothalamus. Fasting and hypoglycemia increase ghrelin levels and circulating ghrelin levels are decreased in chronic obesity, following acute calo...
Found on http://www.medilexicon.com/medicaldictionary.php?t=36905
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