Lateral funiculus

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Lateral funiculus
Latin funiculus lateralis medullae spinalis
Gray's subject #185 753

The most lateral of the bundles of the anterior nerve roots is generally taken as a dividing line that separates the antero-lateral region into two parts, viz., an anterior funiculus, between the anterior median fissure and the most lateral of the anterior nerve roots; and a lateral funiculus, between the exit of these roots and the postero-lateral sulcus.

Each lateral funiculus transmits the contralateral corticospinal and spinothalamic tracts. A hemisection of the spinal cord results in transection of both ipsilateral dorsal column and lateral funiculus; this produces Brown-Sequard syndrome. [1]

References

  1. Kaplan Qbook - USMLE Step 1 - 5th edition - page

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


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