This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': 'Crystalline lens of the eye develops from \nSelect and explain. \nA. Mesoderm, B. Neural ectoderm, C. Surface ectoderm, D. Endoderm', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer: c) Surface ectoderm (PARSON 22nd ED, P-5)NEURAL ECTODERMSURFACE ECTODERMMESODERM# Epithelium of iris# Epithelium of ciliary body# Constrictor and dilator pupillae# Retinal pigment epithelium and its 9 sensory layers# Optic vesicle and cup# Optic nerve fibres# Melanocytes# Secondary vitreous# Epithelium of Conjunctiva# Epithelium of cornea# Lacrimal glands# Tarsal glands# Conjunctival glands# Crystalline Lens# Sclera# Corneal stroma# Descemet's membrane# Corneal endothelium# Iris# Choroid# Ciliary muscle# Sheaths of optic nerve# Blood vessels of the eye# Extraocular muscles# Trabecular meshwork# Primary vitreous", 'role': 'assistant'}]