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|Diagram showing a few of the connections of afferent (sensory) fibers of the posterior root with the efferent fibers from the ventral column and with the various long ascending fasciculi. (Spinotectal fasciculus labeled at bottom right.)|
|Gray's||subject #185 762|
|Diagram of the principal fasciculi of the spinal cord. (Spinotectal fasciculus labeled at bottom left.)|
The spinotectal tract (spinotectal fasciculus) is supposed to arise in the dorsal column and terminate in the inferior and superior colliculi.
It is situated ventral to the lateral spinothalamic fasciculus, but its fibers are more or less intermingled with it.
It is also known as the spino-quadrigeminal system of Mott.
In the brain-stem the fibers run lateral from the inferior olive, ventro-lateral from the superior olive, then ventro-medial from the spinal tract of the trigeminal; the fibers come to lie in the medial portion of the lateral lemniscus.
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 As such, some of the information contained herein may be outdated.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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