Medical Definition of Spinal part of arachnoid

1. That portion of the arachnoid which lies within the vertebral canal and surrounds the spinal cord and the vertebral portion of the subarachnoid space. It extends from the foramen magnum above to the S-2 vertebral level. Since the spinal cord ends at the L-2 vertebral level, a wide separation occurs between the arachnoid and pia mater, the lumbar cistern, filled with cerebrospinal fluid in which the cauda equina is suspended. Synonym: arachnoidea mater spinalis, spinal part of arachnoid. (05 Mar 2000)

Lexicographical Neighbors of Spinal Part Of Arachnoid

spinal lemniscus
spinal length
spinal marrow
spinal muscle
spinal muscle of head
spinal muscle of neck
spinal muscle of thorax
spinal muscular atrophy
spinal nerve
spinal nerve roots
spinal nerves
spinal nucleus of the trigeminus
spinal osteophytosis
spinal paralysis
spinal part of accessory nerve
spinal part of arachnoid (current term)
spinal point
spinal puncture
spinal quotient
spinal reflex
spinal root of accessory nerve
spinal shock
spinal sign
spinal stroke
spinal tap
spinal taps
spinal tract
spinal tract of trigeminal nerve
spinal tractotomy

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