Brain regulation of appetite diagram (IMAGE)
Caption
Diagram showing how rising blood sugar triggers a two-pronged fullness signal in the brain. Tanycytes detect glucose and release lactate, which both activates the brain's "stop eating" neurons (via astrocytes) and quiets the "keep eating" neurons — simultaneously hitting the brakes on hunger from two directions.
Credit
Ricardo Araneda, University of Maryland.
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License
CC BY-NC-SA