tentorium

[ ten-tawr-ee-uhm, -tohr- ]

Phonetic (Standard)IPA

noun

, plural ten·to·ri·a [ten-, tawr, -ee-, uh, -, tohr, -].

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.

1655–65; < New Latin tentōrium, Latin: tent, equivalent to ten ( dere ) to extend, stretch + -tōrium -tory ²

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.

After locating the occipital knob, a horizontal line forward will give us the portion of the tentorium.

April 25, 2024firkin

[fur-kin ]

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