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Posterior Lateral Nasal Branches of Sphenopalatine Artery (Left)
Cardiovascular System

Posterior Lateral Nasal Branches of Sphenopalatine Artery (Left)

Rami nasales laterales posteriores arteriae sphenopalatinae

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Origin

The posterior lateral nasal branches of the sphenopalatine artery arise from the sphenopalatine artery after it emerges in the nasal cavity through the sphenopalatine foramen.

Course

The posterior lateral nasal branches of the sphenopalatine artery pass anteriorly, ramifying over the nasal conchae and meatuses of the nasal cavity.

Branches

There are no named branches, however, the posterior lateral nasal branches of the sphenopalatine artery anastomose with the ethmoidal arteries and the nasal branches of the greater palatine artery.

Supplied Structures

The posterior lateral nasal branches of the sphenopalatine artery supply the mucosa of the lateral walls of the nasal cavity. Additionally, the posterior lateral nasal arteries supply the maxillary, ethmoidal, and sphenoidal air sinuses.

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Sphenopalatine Artery

ScienceDirect image

Long sphenopalatine arteries course medially to nourish the roof of the nasal cavity and anastomose with inferior ethmoidal branches of the OA (Lasjaunias et al., 2001).

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