posterior septal arteries

Origin

Sphenopalatine artery

Course

• crosses inferior surface of body of sphenoid to reach nasal septum, courses anteroinferiorly on vomer to incisive canals

Distribution

• nasal septum
• anastomoses with greater palatine artery & septal branch of superior labial artery

More general terms

• artery

Component of

• palate; roof of mouth