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, adjectiveWords nearby tentorium
tentie, tentmaker, tent meeting, tentorial, tentorial sinus, tentorium, tentorium cerebelli, tent show, tent stitch, tent trailer, ten-twenty
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use tentorium in a sentence
The Cerebrum or Great Brain lies above the plane of the tentorium, and forms much the largest division of the encephalon.
Tentorium: a chitinous frame-work within the head, upon which the brain rests.
Explanation of Terms Used in Entomology|John. B. SmithAfter locating the occipital knob, a horizontal line forward will give us the portion of the tentorium.
Medical definitions for tentorium
tentorium
[ tĕn-tôr′ē-əm ]
n. pl. ten•to•ri•a (-tôr′ē-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.