Lens develops from: September 2012: (A) Neural crest, (B) Mesoderm, (C) Neuroectoderm, (D) Surface ectoderm
Answer is D. Ans. D i.e. Surface ectoderm Embryology of eyeball Structures derived from mesoderm: Corneal stroma & endothelium, Only smooth muscles of iris, All muscles (EXCEPT iris muscle) Structures derived from surface ectoderm: Conjunctival epithelium, Lens Structures derived from neuroectoderm: Epithelium of iris & ciliary body, Muscles of iris (constrictor & dilator pupillae)