Proatlantal artery

The proatlantal artery is one of the persistent carotid-vertebrobasilar anastomoses, and can be subdivided into two types depending on its origin:

Irrespective of their origin, the artery joins the vertebral artery. If large then the ipsilateral vertebral artery is small or absent.

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Article Information

rID: 4973
Section: Anatomy
Tag: variant
Synonyms or Alternate Spellings:
  • Persistent proatlantal artery

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