All of the following blood vessels are a part of Kiesselbachfs plexus except-

Ans. is 'b' i.e., Posterior ethmoidal artery o Four arteries contribute to little's 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 "Kiesselbach's plexus".