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spinal artery
(redirected from spinal arteries)

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
spinal artery
n.
1. An artery with origin in the vertebral artery, with distribution to the spinal cord and the pia mater, and with anastomoses to the branches of the intercostal and lumbar arteries; anterior spinal artery.
2. An artery with origin in the vertebral artery, with distribution to the medulla, spinal cord, and pia mater; and with anastomoses to the spinal branches of the intercostal arteries; posterior spinal artery.


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7,13-15 Paraparesis or paraplegia secondary to cord ischaemia can occur during correction of thoracic spinal deformities involving bilateral disruption of segmental vascularity,7,16 as the cord is supplied by both anterior and posterior spinal arteries, though the incidence was less than 1%.
Injection of thrombin has been associated with neurologic impairment that is possibly related to embolization of spinal arteries or the lumbar plexus.
 
 
 
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