Which aery does not contribute to little's area:
Little's area-Anteroinferior pa of nasal septum- formed by- anterior ethmoidal aery,septal branch of superior labial aery,septal brach of sphenopalatine aery,greater palatine aery. Ref.Dhingra 6/e,p 176.
Anterior ethmoidal aery
Septalbrach of facial aery
Sphenopalatine aery
Posterior ethmoidal aery
Nose and paranasal sinuses