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tentorium

[ ten-tawr-ee-uhm, -tohr- ]
/ tɛnˈtɔr i əm, -ˈtoʊr- /
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noun, plural ten·to·ri·a [ten-tawr-ee-uh, -tohr-]. /tɛnˈtɔr i ə, -ˈtoʊr-/.
Anatomy. an extension of one of the membranes covering the cerebrum which, with the transverse fissure, separates the cerebrum from the cerebellum.
Zoology. (of an insect) the internal skeleton of the head.
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Origin of tentorium

1655–65; <New Latin tentōrium,Latin: tent, equivalent to ten(dere) to extend, stretch + -tōrium-tory2

OTHER WORDS FROM tentorium

ten·to·ri·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use tentorium in a sentence

Medical definitions for tentorium

tentorium
[ tĕn-tôrē-əm ]

n. pl. ten•to•ri•a (-tôrē-ə)
A membranous cover or horizontal partition.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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