tentorium

American  

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

noun

tentoria plural

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.

---

Other Word Forms

Derived Forms

• tentorial
  adjective

Inflected Forms

noun

• tentoria
  plural

Etymology

Origin of tentorium

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

Example Sentences

The Cerebellum, Little Brain, or After Brain occupies the inferior pair of occipital fossae, and lies below the plane of the tentorium cerebelli.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various

Tuncque effodiunt in circuitu fossam latam valdè, et profundam vt totum tentorium cum omnibus contentis descendat in illam.

From The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation — Volume 09 Asia, Part II by Hakluyt, Richard

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 Lectures and Essays by Huxley, Thomas Henry

Thus pag�na, page; ποτηριον, pot; κυπελλα, cup; cantharus, can; tentorium, tent; precor, pray; preda, prey; specio, speculor, spy; plico, ply; implico, imply; replico, reply; complico, comply; sedes episcopalis, see.

From A Grammar of the English Tongue by Johnson, Samuel

The sharper definition of the lower edge of the cast of the cerebral chamber in the Chimpanzee arises from the circumstance that the tentorium remained in that skull and not in the Man's.

From Lectures and Essays by Huxley, Thomas Henry