cardiac pyloric valve


cardiac pyloric valve
(ARTHROPODA: Crustacea)
In Decapoda, a calcified triangular plate that may be flat or curved, generally covered with elongate setae pointing backwards, or covered by a thick corrugated layer of pigmented chitin; functioning as a guard to the pyloric opening.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • pyloric valve — 1. (ARTHROPODA: Insecta) A regulatory (sphincter) at the entrance to the intestine from the stomach; usually located behind the stomach in the anterior part of the proctodeum. 2. (ARTHROPODA: Crustacea) see cardiac pyloric valve …   Dictionary of invertebrate zoology

  • pyloric stomach — Posterior region of the decapod foregut [Brusca and Brusca, 2002]. (Order Decapoda): Posterior and smaller division of stomach; separated from large anterior cardiac stomach by cardiopyloric valve. Characterized by highly folded, setose walls… …   Crustacea glossary

  • cardiac stomach — Anterior region of the decapod foregut [Brusca and Brusca, 2002]. (Order Decapoda): Anterior and larger cuticle lined division of stomach; separated from smaller posterior pyloric stomach by cardiopyloric valve and characterized by variously… …   Crustacea glossary

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  • cardiopyloric valve — (Order Decapoda): In digestive tract, valve like structure between anterior cardiac stomach and posterior pyloric stomach [Stachowitsch, 1992]. (Order Euphausiacea): In digestive tract, valve like structure between anterior cardiac stomach and… …   Crustacea glossary

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