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). | |
| Details | |
| Identifiers | |
| Latin | sulcus collateralis, fissura collateralis |
| NeuroNames | 47 |
| TA98 | A14.1.09.206 |
| TA2 | 5442 |
| FMA | 83751 |
| 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
Coronal section through posterior cornua of lateral ventricle. (Collateral fissure labeled at bottom center.)- Human brain dissection video (62 sec). Demonstrating location of collateral sulcus.
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References
This article incorporates text in the public domain from page 820 of the 20th edition of Gray's Anatomy (1918)
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