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The invaginating lens placode forms the lens vesicle that pinches off the surface ectoderm. Invagination of the optic vesicle forms the bilayered optic cup that remains connected to the forebrain via the optic stalk. 

                 Species: Mouse 
                 Day Gestation: 11 
         Approx. Human Age: 36 Days 
                               View: Frontal and Coronal Cut 
              Optic Cup to Hyaloid Artery
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