- a hormone that is thought to suppress appetite and speed up metabolism.
Origin of leptin
1995–2000; < Greek leptós small, thin + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for leptin
However, when leptin levels drop, hunger signals go through the roof, often resulting in overeating.
One of the primary benefits of cheat days is their effect on leptin levels in the body.
Leptin is a hormone secreted by fat cells that is key to maintaining energy balance in the body.
In general, the obese have no shortage of leptin (given that leptin is produced by fat cells, if anything they tend to have more).
The thinner you become, the lower your leptin levels droop, and the more food it takes to satisfy your appetite.
- a protein, produced by fat cells in the body, that acts on the brain to regulate the amount of additional fat laid down in the body
C20: from lepto- + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A peptide hormone and neurotransmitter produced by fat cells and involved in the regulation of appetite.
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