tentorial notch


ten·to·ri·al notch

[TA] the triangular opening in the tentorium cerebelli through which the brainstem extends from the posterior into the middle cranial fossa. Synonym(s): incisura tentorii [TA], incisura of tentorium ☆ , notch of tentorium

tentorial notch

An arched cavity in the free border of the tentorium cerebelli through which the brainstem passes.See also: notch