gastric mill


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Noun1.gastric mill - thick-walled muscular pouch below the crop in many birds and reptiles for grinding foodgastric mill - thick-walled muscular pouch below the crop in many birds and reptiles for grinding food
pouch, pocket - (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)
References in periodicals archive ?
The nerve-evoked contractions, excitatory junctional potentials (EJPs), and input resistance were measured using the gastric mill 4 (gm4) muscle (nomenclature of Maynard and Dando, 1974), one of the largest muscles in the stomatogastric system.
In ostriches, the muscle contractions in this gastric mill occur two to three times per minute, says Oliver Wings of Germany's University of Bonn.
Once the plant food was ingested, a gastric mill in the stomach probably provided further mechanical breakdown of the plant," Chatterjee explained.
A sampling of specific topics: two new species of ectoparasitic isopods from mysids in Japan; bait improvement for swimming crab trap fisheries; the potential value of gastric mills for ageing crustaceans; fisheries management of the snow crab; and sexual selection in crayfish.