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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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766Maggenti and Gardnermetamere are missing.pygophore n. [Gr. pyge, rump; phoreus, bearer] (ARTHRO: Insecta)1. The pyg<strong>of</strong>er. 2. In male Heteroptera, the 9th abdominalsegment. 3. In male Homoptera, the posterolateralextension <strong>of</strong> the 9th abdominal segment.pygopid loop (BRACHIO) A short ringlike loop with slightlyarched cross band.pygopods n. [Gr. pyge, rump; pous, foot] (ARTHRO: Insecta)The paired appendages <strong>of</strong> the 10th abdominal segment.pygostyle n. [Gr. pyge, rump; stylos, pillar] (ARTHRO: Insecta)In Hymenoptera, small lateral setigerous processes on the9th gastral tergite.pyllopod n. [Gr. pyle, gate; pous, foot] (ARTHRO: Crustacea) Ingnathiidean Isopoda, the second thoracopod; fused to thehead resulting in the appendages being second maxillipedesand in males are flat and cover the buccal area, butin females, a short palp with a large flat plate attached.pyloric valve 1. (ARTHRO: Insecta) A regulatory (sphincter) atthe entrance to the intestine from the stomach; usually locatedbehind the stomach in the anterior part <strong>of</strong> the proctodeum.2. (ARTHRO: Crustacea) see cardiac pyloricvalve.pylorus n. [Gr. pyloros, gatekeeper] 1. (ARTHRO: Insecta) Ashort distinct section <strong>of</strong> the proctodeum intervening betweenthe ventriculus and true intestinal tube, containingthe pyloric valve. 2. (BRYO) Ciliated part <strong>of</strong> the digestivetract into which the stomach part <strong>of</strong> the cardia empties.pyloric a.pyraform glands (ACANTHO) Glands in the tail <strong>of</strong> some males;function unknown.pyraform organ see esophageal bulbpyramid n. [Gr. pyramis, pyramid] 1. Any conical or triangularstructure. 2. (ECHINOD: Echinoidea) The five large calcareousscraping plates that compose the Aristotle's lantern.pyramidal a.pyramid <strong>of</strong> biomass Weight relationships between the trophiclevels in a food chain.

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