This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Histology, Subject name: Anatomy
Corneal epithelium consist of 
Select and explain. 
A. Stratified squamous keratinized, B. Stratifed squamous non keratinized, C. Columnar epithelium, D. Pseudo stratified epithelium
B: Stratifed squamous non keratinized
Answer: B: Stratifed squamous non keratinized 
Explanation: (B) (Stratified, squamous non keratinized) (390-92-I-B. Singh 7th)Key points of cornea (colour less and avascular but has a very rich nerve supply)1. Stratified squamous, non keratinized corneal epithelium -outermost layer2. Anterior limiting membrane (Bowman's membranes)3. Substantia propri- made up of collagen fibres4. Posterior limiting membrane (Descemet's membrane)5. Posterior cuboidal epithelium* Afferent of corneal reflex-trigeminal nerve. (Ophthalmic branch)* Efferent of corneal reflex-facial nerveDEVELOPMENTMesodermExtra- ocular muscle, comeal stroma. Sclera , iris, vascular endothelium of eye, and orbit, choroid parts of vitreousNeural ectodermSmooth muscle of the iris (Dilator sphineter), optic vesicle and cup, iris epithelium, ciliary epithelium, parts of vitreous, Retina, Retinal pigment epitheliumSurface ectodermConjunctival epithelium, comeal epithelium, Lacrimal glands. Tarsal glands. Lens