proventriculus

noun

pro·​ven·​tric·​u·​lus ˌprō-ven-ˈtri-kyə-ləs 

plural proventriculi ˌprō-ven-ˈtri-kyə-ˌlī 

-ˌlē

1

: the glandular or true stomach of a bird that is situated between the crop and gizzard

2

: a muscular dilatation of the foregut in most mandibulate insects that is armed internally with chitinous teeth or plates for grinding food

3

: the thin-walled sac in front of the gizzard of an earthworm

Examples of proventriculus in a Sentence

Recent Examples on the Web

These findings included the first description of overproduction of scar tissue in the birds’ proventriculus – the part of their stomach where chemical digestion occurs. —Matthew Savoca, The Conversation, 21 Mar. 2023

Word History

Etymology

New Latin

First Known Use

circa 1836, in the meaning defined at sense 1

Medical Definition

proventriculus

noun

pro·​ven·​tric·​u·​lus ˌprō-ven-ˈtrik-yə-ləs 

plural proventriculi -ˌlī  -ˌlē 

: the glandular or true stomach of a bird that is situated between the crop and gizzard