Lateral proper fasciculus

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Brain: Lateral proper fasciculus
Diagram of the principal fasciculi of the spinal cord. (Lateral proper fasciculus is visible at upper left.)
Latin fasciculus lateralis proprius
Gray's p.762

The lateral proper fasciculus (lateral basis bundle) constitutes the remainder of the lateral column, and is continuous in front with the anterior proper fasciculus.

It consists chiefly of intersegmental fibers which arise from cells in the gray substance, and, after a longer or shorter course, reënter the gray substance and ramify in it.

Some of its fibers are, however, continued upward into the brain under the name of the medial longitudinal fasciculus.

This article incorporates text from a public domain edition of Gray's Anatomy.