<prompt> Sphincter and dilator pupillae develops fromNeuroectodermSurface ectodermMesodermEndoderm  <response>: HUMAN EMBRYOLOGY-INDERBIR SINGH tenth edition Derivatives of neuroectoderm: R-Retina O-Optic stalkoptic nerve M-Muscles of irissphicter and dilator pupillae E-Epithelium of irisciliary body 