This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Which aery does not contribute to little&;s area? 
Select and explain. 
A. Septal branch of facial aery, B. Anterior ethmoidal aery, C. Sphenopalantine A, D. Posterior ethmoidal A
D: Posterior ethmoidal A
Answer: D: Posterior ethmoidal A 
Explanation: The anterior pa or vestibule of the septum contains anastomosis Between the septal ramus of superior labial branch of facial aery, branch of sphenopalatine aery, greater palatine and of anterior ethmoidal aery.These form a large capillary network called kiesselbachs plexus and this area is called LITTLE'S AREA. REFER BDC SIXTH EDITION VOL 3 PAGE NO: 241