We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun lep·tin \ˈlep-tən\

Medical Definition of LEPTIN

:  a peptide hormone that is produced by fat cells and plays a role in body weight regulation by acting on the hypothalamus to suppress appetite and burn fat stored in adipose tissue


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears