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WordReference Random House Unabridged Dictionary of American English © 2024pro•ven•tric•u•lus (prō′ven trik′yə ləs),USA pronunciation n., pl. -tric•u•li (-trik′yə lī′).USA pronunciation - Birdsthe glandular portion of the stomach of birds, in which food is partially digested before passing to the ventriculus or gizzard.
- Invertebratesa similar enlargement in the alimentary tract of several invertebrates, variously modified for maceration and digestion.
- pro-1 + ventriculus 1825–35
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