Medical Definition of Arachnoidea mater spinalis

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 Arachnoidea Mater Spinalis

arachnoid foramen
arachnoid granulations
arachnoid mater
arachnoid mater cranialis
arachnoid mater encephali
arachnoid maters
arachnoid membrane
arachnoid of brain
arachnoid of spinal cord
arachnoid trabecula
arachnoid villi
arachnoidal
arachnoidal granulations
arachnoidea
arachnoidea mater spinalis (current term)
arachnoidian
arachnoiditis
arachnoids
arachnologic
arachnological
arachnologist
arachnologists
arachnology
arachnolysin
arachnomancer
arachnomancers
arachnomancy
arachnomorph
arachnomorphs

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