1. SYN: stomach. 2. SYN: ventricle. 3. The enlarged posterior portion of the mesenteron of the insect alimentary canal, in which digestion occurs. [L. dim. of venter, belly]
- v. dexter [TA] SYN: right ventricle.
- v. laryngis [TA] SYN: laryngeal ventricle.
- v. quartus [TA] SYN: fourth ventricle.
- v. quintus SYN: cavity of septum pellucidum.
- v. sinister [TA] SYN: left ventricle.
- v. terminalis [TA] SYN: terminal ventricle.
- v. tertius [TA] SYN: third ventricle.
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ven·tric·u·lus (ven-trikґu-ləs) pl. ventriґculi [L., dim. of venter belly] 1. ventricle: a small, normal cavity in an organ such as the heart or brain. 2. gaster. 3. the midgut of an invertebrate.Medical dictionary. 2011.