tentorium
[ ten-tawr-ee-uhm, -tohr- ]
/ tɛnˈtɔr i əm, -ˈtoʊr- /
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. 2020
Example sentences from the Web for tentorium
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.