proventriculus
Americannoun
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the glandular portion of the stomach of birds, in which food is partially digested before passing to the ventriculus or gizzard.
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a similar enlargement in the alimentary tract of several invertebrates, variously modified for maceration and digestion.
noun
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the first part of the stomach of birds, the gizzard
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the thick muscular stomach of crustaceans and insects; gizzard
Other Word Forms
Etymology
Origin of proventriculus
First recorded in 1825–35; pro- 1 + ventriculus
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The researchers found a positive relationship between the amount of plastic in the proventriculus and the degree of scarring.
From Scientific American • Mar. 22, 2023
These findings included the first description of overproduction of scar tissue in the birds’ proventriculus – the part of their stomach where chemical digestion occurs.
From Scientific American • Mar. 22, 2023
Before anything enters a bird's gizzard, an organ for grinding up food, the proventriculus secretes digestive enzymes and hydrochloric acid to break down meals.
From Salon • Mar. 8, 2023
They dissected a glandular organ in the birds called a proventriculus, which functions essentially like the first part of the stomach of other animals.
From Salon • Mar. 8, 2023
The food passing into the crop is there acted on by the saliva and also by an acid gastric juice which passes forwards from the stomach through the proventriculus.
From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
