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leptin
(redirected from Liptin)

    Also found in: Wikipedia 0.06 sec.
Leptin
A protein hormone that affects feeding behavior and hunger in humans. At present it is thought that obesity in humans may result in part from insensitivity to leptin.
Mentioned in: Obesity
leptin
[lep′tin]
Etymology: Gk, thin
a peptide secreted by adipose tissue. Leptin inhibits neuropeptide Y and is thought to be an appetite suppressant. It increases expenditure of energy when fat stores increase. Excess leptin has been found in some obese humans, but the majority have normal levels of leptin.
leptin
Endocrinology An obese gene-encoded adipocyte-derived hormone with hypothalamic and CNS receptors, which induces a sensaton of fullness. See Obesity. Cf agouti yellow, diabetes, Ghrelin, obese, Orexin, tubby.


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