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Posterior Superior Alveolar Artery
Cardiovascular System

Posterior Superior Alveolar Artery

Arteria alveolaris superior posterior

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Quick Facts

Origin: Maxillary artery.

Course: Descends slightly before entering the posterior superior alveolar foramina on the maxillary tuberosity.

Branches: Dental and peridental branches.

Supplied Structures: Molars and premolars of maxillary dental arcade, maxillary sinus.

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Origin

The posterior superior alveolar artery arises from the maxillary artery as it passes through the pterygopalatine fossa (third part of the maxillary artery).

Course

The posterior superior alveolar artery descends slightly before entering the posterior superior alveolar foramina on the maxillary tuberosity.

Branches

After passing through the posterior superior alveolar foramina, the posterior superior alveolar artery gives rise to dental and peridental branches, which penetrate the maxillary bone. Additionally, the posterior superior alveolar artery forms an anastomosis with the anterior superior alveolar artery (Fehrenbach & Herring, 2015).

Supplied Structures

The branches of the posterior superior alveolar artery supply the maxillary sinus and the molars and premolars of the upper jaw.

References

Fehrenbach, M. J. & Herring, S. W. (2015) Illustrated Anatomy of the Head and Neck—E-Book. Elsevier Health Sciences.

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