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English
Etymology
From ante- + stomach.
Noun
antestomach (plural antestomachs)
- A cavity that leads into the stomach, as in birds.
1691, John Ray, The Wisdom of God Manifested in the Works of the Creation. , London: Samuel Smith, , →OCLC:it is immediately swalled into […] a kind of Antestomach ( which I have observ'd in many , especially Piscivorous Birds ) where it is moistned and mollified by some proper Juice from the Glandules distilling in there.
- The first stomach of a ruminant.
1926, Botanical Abstracts - Volume 15, page 177:The physiological significance of microorganisms in the antestomach of ruminants .
1958, Doklady: Reports of the Academy of Sciences of the USSR., page 13:The disturbance of the eructation reflex owing to the lacking permanent mechanical stimulation of the walls of the antestomach may be considered one of the reasons why the balanced reactions of rumination do not take place.
1962, G. Azimov, “The Thyroid, the Processes in the Rumen and the Fat Content of Milk”, in Contributions v. A-C, page 112:A high-milking cow should be distinguished by higher activity of the thyroid and in addition, in the antestomach of such an animal the molar percentage of acetate should obviously be increased, and vice versa, the higher the propionic and butyric acid content of the rumen the lesser should be the fat content of the milk accompanied by a corresponding decrease in the milk yield.
- The lower portion of the esophagus in an animal that has a sphincter controlling the entrance of food from the esophagus into the stomach, especially when that portion of the esophagus is distended or dilated.
1900 July 14, “A New Contribution to the Pathology of the Esophagus”, in The Philadelphia Medical Journal, volume 6, page 68:Fleiner calls attention to the existence of spindle-shaped dilation of the esophagus above the diaphragm, a condition that is termed antestomach, and to a similar condition of the subdiaphragmatic part of the esophagus, nown as "antrum cardiacum.". He has seen six instances of antestomach.
1949, Acta Pathologica Et Microbiologica Scandinavica, page 22:He had attempted to produce cancer in the antestomach of the rats, by painting them with tar in or around the mouth.
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