dural part of filum terminale

dural part of filum terminale

[TA] 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.
See also: terminal filum.
Synonym(s): coccygeal ligament ☆ , filum terminale externum ☆ , filum durae matris spinalis, filum of spinal dura mater