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Noun

gastric 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)

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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.

Enhancement of muscle contraction in the stomach of the crab Cancer borealis: a possible hormonal role for GABA

The stomach of the lobster is formed by strong muscles that cause a grinding action and a gastric mill, containing three large opposing teeth, one dorsal and two laterals, which triturates and sorts the food particles (Phillips et al., 1980).

Natural diet of the spiny lobster, Panulirus echinatus Smith, 1869 (Crustacea: Decapoda: Palinuridae), from Sao Pedro and Sao Paulo Archipelago, Brazil/Dieta alimentar da lagosta espinhosa, Panulirus echinatus Smith, 1869 (Crustacea: Decapoda: Palinuridae), do Arquipelago Sao Pedro e Sao Paulo, Brasil

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.

Role of gastroliths in digestion questioned

"Once the plant food was ingested, a gastric mill in the stomach probably provided further mechanical breakdown of the plant," Chatterjee explained.

First complete remains of dinosaur's ancestor found in China

However, it was possible to observe (Figure 4) the structure of the megalopa gastric mill inside of the new juvenile I foregut.

Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods/Desenvolvimento e morfologia funcional dos estomagos de larvas e pos-larvas de tres crustaceos decapodes

In lobsters and crabs, the rings were also found in the so-called 'gastric mills,' parts of the stomach with three teeth-like structures used to grind up food.

Lobster's age can be revealed by its growth rings