View your list of saved words. (You can log in using Facebook.)
Definition of GHRELIN
: a 28-amino-acid peptide hormone that is secreted primarily by stomach cells with lesser amounts secreted by other cells (as of the hypothalamus), that is a growth hormone secretagogue, and that has been implicated in the stimulation of fat storage and food intake
Seen & Heard
What made you want to look up ghrelin? Please tell us where you read or heard it (including the quote, if possible).