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Kiesselbach’s plexus

Lies in Kiesselbach’s area, Kiesselbach’s triangle, or Little’s area, is a region in the anteroinferior part of the nasal septum where four arteries anastomose to form a vascular plexus of that name. The arteries are:

  • Anterior ethmoidal artery (from the ophthalmic artery)
  • Sphenopalatine artery (terminal branch of the maxillary artery)
  • Greater palatine artery (from the maxillary artery)
  • Septal branch of the superior labial artery (from the facial artery)