Pronunciation: ver'mis, -mez
- A worm; any structure or part resembling a worm in shape.
- Vermis cerebelli, the narrow middle zone between the two hemispheres of the cerebellum; the portion projecting above the level of the hemispheres on the upper surface is called the superior vermis; the lower portion, sunken between the two hemispheres and forming the floor of the vallecula, is the inferior vermis.
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Examples: glitazone, GI cocktail, etc.