Use this trick and mnemonic to remember the function of Leptin and ghrelin, two hormones which control hunger and satiety.
Leptin makes you wanna be thin.
It decreases food intake by inhibiting hunger and stimulating satiety center.
Ghrelin makes you wanna gobble food.
It is an appetite inducer.
Summary
Leptin is a hormone produced by fat cells, or adipocytes, in response to high blood lipid levels. Leptin targets the hypothalamus to suppress appetite and cause a feeling of “fullness.”
Key Points
- Leptin
- Origin: Adipose tissue
- Trigger: High blood lipid levels
- Target: Hypothalamus
- Effect: Binds to and inhibits receptors
- Causes “fullness”
- Origin: Adipose tissue
Summary
Ghrelin is a hormone produced by the stomach, or gastric, cells in response to an empty stomach. Ghrelin targets the hypothalamus to increase the appetite and cause a feeling of hunger.
Key Points
- Ghrelin
- Origin: Stomach/Gastric Cells
- Trigger: Empty stomach
- Target: Hypothalamus
- Effect: Binds to receptors
- Indicates “hunger”
- Origin: Stomach/Gastric Cells
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