pylorus

From ZooTerms (Dictionary of Invertebrate Zoology)
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pylorus (noun; Greek pyloros, gatekeeper): 1. (Arthropoda: Insecta) A short distinct section of the proctodeum intervening between the ventriculus and true intestinal tube, containing the pyloric valve.

2. (Bryozoa) Ciliated part of the digestive tract into which the stomach part of the cardia empties.