peptide YY3-36, PYY
peptide YY3–36, PYYAn intestinal hormone fragment that is produced during digestion and passes to the hypothalamus to signal satiety. When given by intravenous injection it reduces appetite and food intake for about 12 hours. Research has shown that obese people have much lower levels of PYY3–36 .than non-obese people.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005