Medical Definition of Spinal arteries

1. Branches of the following arteries which supply the meninges, the roots of the spinal nerves, and in some cases, the spinal cord: 1) vertebral, 2) ascending cervical, 3) dorsal branch of posterior intercostal I to XI, 4) dorsal branch of subcostal, 5) dorsal branch of lumbar arteries, 6) lumbar branch of iliolumbar, 7) lateral sacral; all spinal arteries give rise to radicular arteries supplying dorsal and ventral roots of spinal nerves, but some (4-9), are large enough to reach and anastomose with the anterior and posterior spinal arteries. Synonym: rami radiculares. See: medullary spinal arteries, arteria radicularis magna. Synonym: rami spinales. (05 Mar 2000)

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Lexicographical Neighbors of Spinal Arteries

spinae palatinae
spinal accessory
spinal accessory nerve
spinal anaesthesia
spinal anaesthetic
spinal analgesia
spinal anesthesia
spinal anesthetic
spinal apoplexy
spinal arteries (current term)
spinal ataxia
spinal block
spinal board
spinal canal
spinal chord
spinal column
spinal columns
spinal concussion
spinal cord
spinal cord compression
spinal cord concussion
spinal cord injuries
spinal cord injury

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