Which aery does not contribute to Little's area: (A) Septal branch of facial aery, (B) Anterior ethmoidal aery, (C) Sphenopalantine aery, (D) Posterior ethmoidal aery
Answer is D. LITTLE'S AREA (Anterior inferior pa of nasal septum) - Usual site for epistaxis in children. Four Aeries anastomose here and form Kiesselbach's Plexus. Anterior ethmoidal aery(Ophthalmic aery) Sphenopalatine(Maxillary aery) Septal branch of superior labial(Facial aery) Greater palatine aery(Maxillary aery) Ref: Dhingra 7e pg 197.