Posterior spinal artery

Artery: Posterior spinal artery
The three major arteries of the cerebellum: the SCA, AICA, and PICA. (Posterior spinal artery is not labeled, but region is visible.)
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.gov • Trial results on Posterior spinal artery • Clinical 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 artery • NICE Guidance on Posterior spinal artery • NHS PRODIGY Guidance • FDA on Posterior spinal artery • CDC 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 artery • AND (drug interactions)}} Drug interactions with Posterior spinal artery • AND (side effects)}} Side effects of Posterior spinal artery • AND (Allergy)}} Allergic reactions to Posterior spinal artery • AND (overdose)}} Overdose information on Posterior spinal artery • AND (carcinogenicity)}} Carcinogenicity information on Posterior spinal artery • AND (pregnancy)}} Posterior spinal artery in pregnancy • AND (pharmacokinetics)}} Pharmacokinetics of Posterior spinal artery •

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

| group10 = Newstories on Posterior spinal artery | list10 = Posterior spinal artery in the news • Be alerted to news on Posterior spinal artery • News trends on Posterior spinal artery</small>

| 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 artery • Discussion groups on Posterior spinal artery • Patient Handouts on Posterior spinal artery • Directions to Hospitals Treating Posterior spinal artery • Risk calculators and risk factors for Posterior spinal artery

| group13 = Healthcare Provider Resources on Posterior spinal artery | list13 = Symptoms of Posterior spinal artery • Causes & Risk Factors for Posterior spinal artery • Diagnostic studies for Posterior spinal artery • Treatment 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 Espanol • Posterior spinal artery en Francais

| group16 = Business Resources on Posterior spinal artery | list16 = Posterior spinal artery in the Marketplace • Patents on Posterior spinal artery

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

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