the keisselbach's plexus is an area of rich arterial anastomosis seen in the ANTERIO INFERIOR REGION OF THE NASAL SEPTUM . the most common cause of epistaxis is injury to this site . the arteries that anastomose here are -
1- ANTERIOR ETHMOIDAL ARTERY
2-SUPERIOR LABIAL ARTERY
3- SPHENOPALATINE ARTERY
4- GREATER PALATINE ARTERY .
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