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Crus of fornix

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Brain: Crus of fornix
Gray747
Diagram of the fornix.
Tela chorioidea of the third ventricle, and the choroid plexus of the left lateral ventricle, exposed from above.
Latin crus fornicis
Gray's subject #189 838
Part of
Components
Artery
Vein
BrainInfo/UW hier-254
MeSH [1]

The crura (posterior pillars) of the fornix are prolonged backward from the body.

They are flattened bands, and at their commencement are intimately connected with the under surface of the corpus callosum.

Diverging from one another, each curves around the posterior end of the thalamus, and passes downward and forward into the inferior cornu of the lateral ventricle.

Here it lies along the concavity of the hippocampus, on the surface of which some of its fibers are spread out to form the alveus, while the remainder are continued as a narrow white band, the fimbria hippocampi, which is prolonged into the uncus of the hippocampal gyrus.

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 As such, some of the information contained herein may be outdated.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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