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| Optic vesicles | ||
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| Transverse section of head of chick embryo of forty-eight hours’ incubation. (Optic vesicle labeled at lower right.) | ||
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| Human embryo about fifteen days old. Brain and heart represented from right side. Digestive tube and yolk sac in median section. (Optic vesicle labeled at center top.) | ||
| Latin | v. ophthalmica | |
| Gray's | subject #224 1001 | |
| Carnegie stage | 11 | |
The eyes begin to develop as a pair of diverticula from the lateral aspects of the forebrain. These diverticula make their appearance before the closure of the anterior end of the neural tube; after the closure of the tube they are known as the optic vesicles.
They project toward the sides of the head, and the peripheral part of each expands to form a hollow bulb, while the proximal part remains narrow and constitutes the optic stalk.
Additional images
 Head of chick embryo of about thirty-eight hours’ incubation, viewed from the ventral surface. X 26 |
External links
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- This page was last modified on 11 January 2007, at 12:09.
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