pylorus
From ZooTerms (Dictionary of Invertebrate Zoology)
Arthropoda: Insecta) A short distinct section of the proctodeum intervening between the ventriculus and true intestinal tube, containing the pyloric valve.
pylorus (noun; Greek pyloros, gatekeeper): 1. (
2. (Bryozoa) Ciliated part of the digestive tract into which the stomach part of the cardia empties.