Just ate lunch? PP cells in your pancreas notice and send out a hormone. Scientists think it helps your body know you've had enough.
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PP cells live in the islets (say EYE-lets) of your pancreas, alongside alpha, beta, and delta cells. They are also called gamma cells or F cells.
PP cells are rare. Most of them are found in the part of the pancreas closest to your small intestine.
They are filled with tiny bubbles of a hormone called pancreatic polypeptide. That's a mouthful, so scientists just call it PP.
One cell type, three names! PP cells, gamma cells, and F cells are all the same cells.
When you eat a meal, PP cells release their hormone into the blood.
Scientists are still learning about PP. These little cells may be helping your body in ways nobody has found yet!
Scroll up to the 3D model and press Meal time.