tentorium

tentorium

[ten-tawr-ee-uhm, -tohr-]
noun, plural tentoria [ten-tawr-ee-uh, -tohr-] .
1.
Anatomy. an extension of one of the membranes covering the cerebrum which, with the transverse fissure, separates the cerebrum from the cerebellum.
2.
Zoology. (of an insect) the internal skeleton of the head.

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

tentorial, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

tentorium ten·to·ri·um (těn-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.
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