Myology, Neurology, Angiology and Aesthesiology: Fornix

Fornix

FORNIX

It is composed of longitudinal white fibres that arch over the thalamus and the third ventricle.
It consists of a body and two pairs of pillars, anterior and posterior.
The body is formed by the fusion of the two arches by which the fornix is composed.
It is triangular and overlies the anterior part of the thalami and the third ventricle.
The dorsal surface blends with the septum lucidum and on either side, it forms the floor of the lateral ventricle.
The lateral border is related to the chorioid plexuses and forms the internal boundary of the interventricular foramen.
The anterior pillars are two slender bundles which emerge from the body and diverge slightly as they curve ventrally and backward to enter the mammillay body and they are crossed in front by the anterior commissure.
The posterior pillars are much larger bands that are the forward continuations of the fimbria from each side, which unite to form the body.

Last modified: Wednesday, 2 May 2012, 6:50 AM

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VAN 121: Veterinary Gross Anatomy-II (2+2)

Fornix

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