The retina is an out growth of the ?

Ans. is 'b' i.e., Diencephalon Diancephalon forms - optic cup and stalk, pituitary, thalmus, hypothalmus, epithalmus, pineal gland (or epiphysis), and 3rd ventricle (most pa). Retina develops from walls of optic cup. The outer thinner layer becomes retinal pigmented epithelium and inner thicker layer forms neural layer of retina.