gastric mill


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gastric mill

a structure in the proventriculus or stomach of CRUSTACEANS, formed of a series of cuticular teeth which assist in breaking down food.
References in periodicals archive ?
Gamma-aminobutyric acid increases nerve-evoked contraction and the excitatory junctional potential of the gastric mill 4 muscle
The gastric mill 4 (gm4) muscle is one of the exceptions.
Foregut with ossicles of the gastric mill totally formed and apparently calcified; total length about 0.45 mm.
Foregut having ossicles of the gastric mill, esophageal valve and other hard structure; total length 0.42 mm.
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.