<prompt> Which aery does not contribute to littles area:Anterior ethmoidal aerySeptalbrach of facial aerySphenopalatine aeryPosterior ethmoidal aery  <response>: Littles 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 6e,p 176. 