peptide YY
(redirected from PYY 3-36)pep·tide YY
(pep'tīd)A hormone released by the small intestine to signal the brain to stop eating.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
peptide YY
An appetite-regulating protein released by L cells of the mucosa of the gastrointestinal tract in response to a meal. It binds to cells in the arcuate nucleus of the brain, decreases the desire to eat, and creates a feeling of fullness.
See also: peptide
Medical Dictionary, © 2009 Farlex and Partners