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Medical Dictionary


noun ver·mis \ˈvər-mis\
plural ver·mes \-ˌmēz\

Medical Definition of VERMIS

:  either of two parts of the median lobe of the cerebellum: a :  one slightly prominent on the upper surface—called also superior vermis b :  one on the lower surface sunk in the vallecula—called also inferior vermis
:  the median lobe or part of the cerebellum
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