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Collateral eminence

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Brain: Collateral eminence
Posterior and inferior cornua of left lateral ventricle exposed from the side.
Inferior and posterior cornua, viewed from above.
Latin eminentia collateralis ventriculi lateralis
Gray's subject #189 833
Part of
BrainInfo/UW hier-193
MeSH [1]

The collateral eminence is an elongated swelling lying lateral to and parallel with the hippocampus.

It corresponds with the medial part of the collateral fissure, and its size depends on the depth and direction of this fissure.

It is continuous behind with a flattened triangular area, the trigonum collaterale, situated between the posterior and inferior cornua.

It is not always present.[1]


  1. Switka A, Narkiewicz O, Dziewiatkowski J, Moryś J (1999). The shape of the inferior horn of the lateral ventricle in relation to collateral and occipitotemporal sulci. Folia Morphol. (Warsz) 58 (2): 69–80.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.


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