Optic vesicle
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| Optic vesicle | |
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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 | vesicula optica; vesicula ophthalmica |
| Gray's | subject #224 1001 |
| Carnegie stage | 11 |
| Code | TE E5.14.3.4.2.2.4 |
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.
[edit] Additional images
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Head of chick embryo of about thirty-eight hours’ incubation, viewed from the ventral surface. X 26
[edit] External links
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
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