: 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
Examples of leptin in a Sentence
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In late September 2020, a Mass General endocrinologist called with the test results: Ben had a leptin deficiency.
—
Wendy Grossman Kantor, People.com, 7 Aug. 2025
Sleep deprivation is also associated with disruptions in appetite-regulating hormones (ghrelin and leptin), which often increases cravings for sugary, nutrient-poor foods.12
2.
—Lauren Panoff, Verywell Health, 25 July 2025
You Miss Your Body's Fullness Cues Eating too quickly may reduce your natural appetite regulation by rushing past fullness cues and reducing the release of ghrelin and leptin, essential hunger and fullness hormones.
—Brandi Jones, Verywell Health, 7 July 2025
For instance, some bacteria might influence how your body stores fat, regulate your appetite hormones (like leptin and ghrelin), and regulate your blood sugar levels.8
5.
—Qin Rao, Verywell Health, 4 June 2025
See All Example Sentences for leptin
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Wendy Grossman Kantor, People.com, 7 Aug. 2025
Sleep deprivation is also associated with disruptions in appetite-regulating hormones (ghrelin and leptin), which often increases cravings for sugary, nutrient-poor foods.12
2.
—Lauren Panoff, Verywell Health, 25 July 2025
You Miss Your Body's Fullness Cues Eating too quickly may reduce your natural appetite regulation by rushing past fullness cues and reducing the release of ghrelin and leptin, essential hunger and fullness hormones.
—Brandi Jones, Verywell Health, 7 July 2025
For instance, some bacteria might influence how your body stores fat, regulate your appetite hormones (like leptin and ghrelin), and regulate your blood sugar levels.8
5.
—Qin Rao, Verywell Health, 4 June 2025
See All Example Sentences for leptin
Cite this Entry
“Leptin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leptin. Accessed 20 Aug. 2025.
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leptin
noun
lep·tin
ˈlep-tən 
: 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
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