Posterior spinal artery

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Artery: Posterior spinal artery
CerebellumArteries.jpg
The three major arteries of the cerebellum: the SCA, AICA, and PICA. (Posterior spinal artery is not labeled, but region is visible.)
Illu pituitary pineal glands.jpg
Illustration of region.
Latin arteria spinalis posterior
Gray's subject #148 579
Source vertebral or
anterior inferior cerebellar   
Vein posterior spinal veins
Dorlands
/ Elsevier
    
a_61/12156012

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Overview

The posterior spinal artery (dorsal spinal artery) arises from the vertebral artery, adjacent to the medulla oblongata. It passes posteriorly to descend the medulla passing in front of the posterior roots of the spinal nerves. Along its course it is reinforced by a succession of segmental or radicular branches, which enter the vertebral canal through the intervertebral foramina, forming a plexus called the vasocorona. The posterior spinal arteries continue as the two major trunks down to the lower part of the medulla spinalis, and to the cauda equina.

Branches from the posterior spinal arteries form a free anastomosis around the posterior roots of the spinal nerves, and communicate, by means of very tortuous transverse branches, with the vessels of the opposite side.

Close to its origin each posterior spinal artery gives off an ascending branch, which ends ipsilaterally near the fourth ventricle.

External links

  • S. Lamin and J. J. Bhattacharya (2003). "Vascular Anatomy of the Spinal Cord and Cord Ischaemia". Practical Neurolog. PDF
  • Posterior+spinal+artery at eMedicine Dictionary
  • Diagram at nih.gov

Cost Effectiveness of Posterior spinal artery

| group5 = Clinical Trials Involving Posterior spinal artery | list5 = Ongoing Trials on Posterior spinal artery at Clinical Trials.govTrial results on Posterior spinal arteryClinical Trials on Posterior spinal artery at Google


| group6 = Guidelines / Policies / Government Resources (FDA/CDC) Regarding Posterior spinal artery | list6 = US National Guidelines Clearinghouse on Posterior spinal arteryNICE Guidance on Posterior spinal arteryNHS PRODIGY GuidanceFDA on Posterior spinal arteryCDC on Posterior spinal artery


| group7 = Textbook Information on Posterior spinal artery | list7 = Books and Textbook Information on Posterior spinal artery


| group8 = Pharmacology Resources on Posterior spinal artery | list8 = AND (Dose)}} Dosing of Posterior spinal arteryAND (drug interactions)}} Drug interactions with Posterior spinal arteryAND (side effects)}} Side effects of Posterior spinal arteryAND (Allergy)}} Allergic reactions to Posterior spinal arteryAND (overdose)}} Overdose information on Posterior spinal arteryAND (carcinogenicity)}} Carcinogenicity information on Posterior spinal arteryAND (pregnancy)}} Posterior spinal artery in pregnancyAND (pharmacokinetics)}} Pharmacokinetics of Posterior spinal artery


| group9 = Genetics, Pharmacogenomics, and Proteinomics of Posterior spinal artery | list9 = AND (pharmacogenomics)}} Genetics of Posterior spinal arteryAND (pharmacogenomics)}} Pharmacogenomics of Posterior spinal arteryAND (proteomics)}} Proteomics of Posterior spinal artery


| group10 = Newstories on Posterior spinal artery | list10 = Posterior spinal artery in the newsBe alerted to news on Posterior spinal arteryNews trends on Posterior spinal artery


| group11 = Commentary on Posterior spinal artery | list11 = Blogs on Posterior spinal artery

| group12 = Patient Resources on Posterior spinal artery | list12 = Patient resources on Posterior spinal arteryDiscussion groups on Posterior spinal arteryPatient Handouts on Posterior spinal arteryDirections to Hospitals Treating Posterior spinal arteryRisk calculators and risk factors for Posterior spinal artery


| group13 = Healthcare Provider Resources on Posterior spinal artery | list13 = Symptoms of Posterior spinal arteryCauses & Risk Factors for Posterior spinal arteryDiagnostic studies for Posterior spinal arteryTreatment of Posterior spinal artery

| group14 = Continuing Medical Education (CME) Programs on Posterior spinal artery | list14 = CME Programs on Posterior spinal artery

| group15 = International Resources on Posterior spinal artery | list15 = Posterior spinal artery en EspanolPosterior spinal artery en Francais

| group16 = Business Resources on Posterior spinal artery | list16 = Posterior spinal artery in the MarketplacePatents on Posterior spinal artery

| group17 = Informatics Resources on Posterior spinal artery | list17 = List of terms related to Posterior spinal artery


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