filum terminale

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filum

 [fi´lum] (pl. fi´la) (L.)
a threadlike structure or part.
filum termina´le a slender, threadlike prolongation of connective tissue from the conus medullaris to the back of the coccyx.

ter·mi·nal fi·lum

[TA]
a long connective tissue (pia mater) strand extending from the extremity of the medullary cone to the inner aspect of the spinal dural sac (pial part of filum terminale [TA], * filum terminale internum); continuous with stout strands of connective tissue attaching the spinal dural sac to the coccyx (dural part of filum terminale [TA], * coccygeal ligament, and * filum terminale externum).

fi·lum ter·mi·na·le

(fī'lum ter-mi-nā'lē) [TA]
The slender threadlike termination of the spinal cord.

filum

pl. fila [L.] a threadlike structure or part.

filum durae matris spinalis
encloses the filum terminale (see below).
filum olfactoria
fibers that pass from the olfactory lobe of the brain to the ethmoid plate through which they pass.
filum reticulare
fibers of the dorsal nerve root which spread out in a fanlike pattern to enter the spinal cord along a dorsolateral groove.
filum terminale
a slender, threadlike prolongation of the spinal cord from the conus medullaris to the sacrum and tail.