tentorium

American  

[ten-tawr-ee-uhm, -tohr-] / tɛnˈtɔr i əm, -ˈtoʊr- /

noun

plural

tentoria

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.

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Other Word Forms

• tentorial adjective

Etymology

Origin of tentorium

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

Example Sentences

It separates the cerebrum from the cerebellum, and, as it forms a tent-like covering for the latter, is named tentorium cerebelli.

From Project Gutenberg

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

From Project Gutenberg

Imagine," he cries, "a solid tentorium or canopy over London, what a mass of smoke would then stick to it!

From Project Gutenberg

The line 'b' indicates the plane of the tentorium, which separates the cerebrum from the cerebellum; 'd', the axis of the occipital outlet of the skull.

From Project Gutenberg

The occipital protuberance, or the point on the exterior      of each skull which corresponds roughly with the attachment      of the tentorium, or with the inferior boundary of the      posterior cerebral lobes.    e.

From Project Gutenberg