<prompt> Kiesselbach area is formed by:Sphenopalatine artery and superior labial arterySphenopalatine and anterior ethmoidal arteryAnterior ethmoidal artery and posterior ethmoidal arteryAnterior ethmoidal artery and superior labial artery  <response>: The anteroinferior part or vestibule of the septum contains anastomoses between the septal ramus of the superior labial branch of the facial artery, branch of sphenopalatine artery, and of anterior ethmoidal artery. These form a large capillary network called the Kiesselbachs plexus. This is a common site of bleeding from the nose or epistaxis, and is known a Littles area.Ref: BD Chaurasia Vol III; ed: 6th Pg: 241 