<prompt> All the following extra ocular muscles are supplied by 3rd nerve except:Lateral rectusMedial rectusSuperior rectusInferior oblique  <response>: Ans: A Lateral rectus Ref: Grays Anatomy. 39th edition. 2008.Page 693Explanation:Oculomotor nerve 3rd nerve has 2 divisions superior inferior supplies the following muscles:Levator palpebrae superioris superior divisionSuperior rectus superior divisionMedial rectus inferior divisionInferior rectus inferior divisionInferior oblique inferior divisionSuperior oblique is supplied by trochlear nerve 4th nerveLateral rectus is supplied by abducens nerve 6th nerveMnemonics for nerve supply to extraocular muscles: SO4LR6R3 SO-sup oblique, LR- lateral rectus, R-remaining muscles 