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dural part of filum terminale


Definition: the threadlike termination of the spinal dura mater, surrounding and fused to the filum terminale of the cord, and attached to the deep dorsal sacrococcygeal ligament; extends from S2–3 to Co2 vertebral levels.

Synonym(s): coccygeal ligament, filum terminale externum, filum durae matris spinalis, filum of spinal dura mater

See Also: terminal filum

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.