Interstitial cells of Cajal

What are the interstitial cells of Cajal?

Interstitial cells of Cajal are specialized cells that are normally found throughout the gastrointestinal tract, from the esophagus to the rectum. These cells receive signals from the nervous system and in turn, cause alternating contraction and relaxation of the muscular wall helping to move food through the gastrointestinal tract.

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