Columns of fornix

The columns of fornix are known as anterior pillars and fornicolumns. These are found in the brain. In the brain, the columns of fornix travel downward in an arch, falling in front of the interventricular foramen and going behind the anterior commissure. From there, the columns of fornix travel the lateral wall of the third ventricle, passing through gray matter. This continues to the base of the brain, where the columns end at the corpus mammillare. The columns of fornix are c-shaped. The columns are created from columns of fibers called axons. These axons are found in the brain and can carry signals throughout. Signals created by the hippocampus are sent to the septal nuclei by the fornix, as well as to the mammillary bodies. Fornix is latin for "vault" and "arch", representing the shape of the columns of fornix. The columns begin on either side of the brain, and separately are known as the crus of the fornix. When the fibres come together to form the fornix, it is called the body of the fornix.
Written and medically reviewed by the Healthline Editorial Team
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In Depth: Columns of fornix

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