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The Collaborative International Dictionary
Tentorium

Tentorium \Ten*to"ri*um\, n. [L., a tent.] (Anat.) A fold of the dura mater which separates the cerebellum from the cerebrum and often incloses a process or plate of the skull called the bony tentorium.

Wiktionary
tentorium

n. 1 The framework of internal supports (a false endoskeleton) within an arthropod head, formed by ingrowths of the exoskeleton called apophyses. 2 (context anatomy English) The tentorium cerebelli.

WordNet
tentorium

n. (anatomy) a fold of dura mater that covers the cerebellum and supports the occipital lobes of the cerebrum

Wikipedia
Tentorium

The tentorium (plural tentoria) is a term used to refer to the framework of internal supports within an arthropod head. The tentorium is formed by ingrowths of the exoskeleton, called apophyses, which fuse in various ways to provide rigid support for the muscles of the head.

Usage examples of "tentorium".

The anterior gives form to the forehead, the middle rests in the cavity at the base of the skull, and the posterior lobe is supported by the tentorium, by which it is separated from the cerebellum beneath.