Meaning

A cavity that leads into the stomach, as in birds..

Definitions by Sense

1. A cavity that leads into the stomach, as in birds.
2. The first stomach of a ruminant.
3. 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.

Example Sentences

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 physiological significance of microorganisms in the antestomach of ruminants .

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.

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.

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.

He had attempted to produce cancer in the antestomach of the rats, by painting them with tar in or around the mouth.

Word Forms

• antestomachs

Related Words

When Should You Use Antestomach?

Use antestomach when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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