vermis

noun

ver·​mis ˈvər-mis How to pronounce vermis (audio)
: the constricted median lobe of the cerebellum that connects the two lateral lobes

Word History

Etymology

borrowed from New Latin, literally, "worm," after excrescentia vermiformis "vermiform growth," translating Galen's Greek phrase epíphysis skōlēkoeidḗs; so called by Galen from its resemblance to a grub growing out of wood — more at worm entry 1

First Known Use

1876, in the meaning defined above

Time Traveler
The first known use of vermis was in 1876

Dictionary Entries Near vermis

Cite this Entry

“Vermis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vermis. Accessed 28 Mar. 2024.

Medical Definition

vermis

noun
ver·​mis ˈvər-mis How to pronounce vermis (audio)
plural vermes -ˌmēz How to pronounce vermis (audio)
1
: 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

2
: the median lobe or part of the cerebellum

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