The thread-like 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: filum durae matris spinalis. ... (05 Mar 2000) ... 
Type: Term Synonyms: dural part of filum terminale