Collateral fissure

The collateral fissure (or sulcus) is on the tentorial surface of the hemisphere and extends from near the occipital pole to within a short distance of the temporal pole.

Collateral fissure
Medial surface of left cerebral hemisphere. (Collateral fissure labeled at bottom left.)
Medial surface of right cerebral hemisphere. Collateral sulcus divides limbic (purple) and temporal lobe (green).
Latinsulcus collateralis, fissura collateralis
Anatomical terms of neuroanatomy

Behind, it lies below and lateral to the calcarine fissure, from which it is separated by the lingual gyrus; in front, it is situated between the parahippocampal gyrus and the anterior part of the fusiform gyrus.

Additional images


This article incorporates text in the public domain from page 820 of the 20th edition of Gray's Anatomy (1918)

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