<prompt> All of the following blood vessels are a part of Kiesselbachfs plexus except-Anterior Ethmoidal arteryPosterior ethmoidal arteryGreater palatine arterySuperior labial artery  <response>: Ans. is b i.e., Posterior ethmoidal artery o Four arteries contribute to littles area: Anterior ethmoidal artery Septal branch of superior labial artery Branch of facial A. Septal branch of sphenopalatine artery Branch of maxillary A. Greater palatine artery Branch of maxillary A.o These arteries anastomose to form a vascular plexus called Kiesselbachs plexus. 