<prompt> Optic vesicle is derived from ?NeuroectodermSurface ectodermEndodermMesoderum  <response>: Ans. isai.e., NeuroectodermRef Indo Khurana ernbryology p. 268Formation of optic cupAn outgrowth from prosencephalon forms optic vesicle neuroectodermal structure.Proximal pa of optic vesicle becomes constricted and elongated to form optic stalk. 