Definition: Endosarc is a term in medicine that refers to the junctions between the gastrointestinal tract and the small intestine. These are called "endosarc" because they connect the two parts of the digestive tract, the large intestine (the "end") and the small intestine (the "arc"). Endosarc is often used to describe the process by which food enters the small intestine. Endosarc junctions are important for the proper functioning of the digestive system. They allow for the exchange of
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