<prompt> Which of the following aery is not involved in the formation of Kiesselbachs plexus?Anterior ethmoidal aeryPosterior ethmoidal aeryGreater palatine aerySphenopalatine aery  <response>: Kiesselbachs area or Littles area, is a region in the anteroinferior pa of the nasal septum, where four aeries anastomose to form a vascular plexus called Kiesselbachs plexus. The aeries which forms the plexus are: ? Anterior ethmoidal aery from the ophthalmic aery ? Sphenopalatine aery from the maxillary aery ? Greater palatine aery from the maxillary aery ? Septal branch of the superior labial aery from the facial aery 