filum du·rae ma·tris spi·na·lis (d r  m tr s sp -nls)n. The termination of the spinal dura mater, surrounding the terminal filum of the cord and attached to the deep dorsal sacrococcygeal ligament. |
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.
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