Eye formation

Eye formation in chicken (48 hours old embryo)

a, b, c, d : schematical representation of the eye formation overtime; e and f: detail of sections 1 = Neurectoderm, 2 = Epidermal (surface) ectoderm, 3 = Mesoderm, 4 = Optical vesicle, 5 = Optical cup, 6 = lens, lp = Lens placode (lens formation)

Eye formation in mouse (13 days old embryo)
Section at the level of the brain (eye bud)

1 = Spine, 2 = Beginning optic nerve, 3 = Retina, 4 = Lens, 5 = Cornea, 6 = Eye bud, 7 = Telencephalon, 8 = Eustachius tube (?), 9 = Semicircular channels

Eye formation in rat (E-16 stage)


Rager staining. Horizontal section acquired with a 10x objective
Eye formation in mouse