tentorium

[ten-tawr-ee-uhm]

tentorium Definition

• 1. a membranous partition between the cerebellum and the cerebrum in higher mammals
• 2. a horizontal plate of the ethmoid bone separating the cranial cavity from the nasal cavity in humans

Phrases with tentorium

• tentorium cerebelli

  a fold of dura mater that separates the cerebellum from the inferior portion of the occipital lobes of the cerebrum

  Example

• ethmoidal tentorium

  a thin, bony lamina that forms the roof of the nasal cavity and the floor of the anterior cranial fossa

  Example

• tentorial notch

  a gap in the tentorium cerebelli through which the brainstem passes

  Example

Origins of tentorium

from Latin 'tentorium', meaning 'tent'

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Summary: tentorium in Brief

The term 'tentorium' [ten-tawr-ee-uhm] refers to a membranous partition between the cerebellum and the cerebrum in higher mammals or a horizontal plate of the ethmoid bone separating the cranial cavity from the nasal cavity in humans.