Rhinal sulcus

Rhinal sulcus

Basal view of a human brain (Rhinal sulcus not labeled, but is visible posterior to parahippocampal gyrus.)
Latin sulcus rhinalis; fissura rhinalis; sulcus rhinicus; fissura rhinica
NeuroNames hier-22
NeuroLex ID Rhinal sulcus
TA A14.1.09.240
FMA 83746

Anatomical terms of neuroanatomy

In the human brain, the entorhinal cortex appears as a longitudinal elevation anterior to the parahippocampal gyrus, with a corresponding internal furrow, the external rhinal sulcus (or rhinal fissure), separating it from the inferiolateral surface of the hemisphere close to the lamina terminalis. It is analogous to the collateral fissure found further caudally in the inferior part of the temporal lobe.


This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

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