<prompt> Melanocytes in conjunctiva are derived fromNeural ectodermSurface ectodermMesodermNeural crest  <response>: Neural ectoderm : Retina with its pigment epithelium Epithelial layers of ciliary body Epithelial layers of iris Sphincter and dilator pupillae muscles Optic nerve neuroglia and nervous elements only Melanocytes Secondary vitreous Ciliary zonules teiary vitreous Reference : A K KHURANA OPHTHALMOLOGY, Edition4 , Page-10 