This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
Retina is derived from 
Select and explain. 
A. surface ectoderm, B. neural ectoderm, C. mesoderm, D. endoderm
B: neural ectoderm
Answer: B: neural ectoderm 
Explanation: BASIC ANATOMY * Retina is the light sensitive tissue of the eye * Derived from neural ectoderm. * Extends from optic disc to ora serrata * Embryologically derived into two pas * Outer Pigmented Layer: Forms RPE (6th week) Inner neural layer: Neurosensory retina(40th week) LAYERS OF RETINA 1. Inner limiting membrane 2. Nerve fiber layer 3. Ganglion cell layer 4. Inner plexiform layer 5. Inner nuclear layer 6. Outer plexiform layer 7. Outer nuclear layer 8. External limiting membrane 9. Photoreceptor layer 10. Retinal pigment epithelium.