Optic cup (embryology)

Transverse section of head of chick embryo of forty-eight hours’ incubation. (Margin of optic cup labeled at upper right.)

Optic cup and choroidal fissure seen from below, from a human embryo of about four weeks. (Edge of optic cup labeled at upper right.)

Details
Carnegie stage| 13
Days| 36
Precursor| optic vesicles
Identifiers
Latin| cupula optica; caliculus ophthalmicus
Anatomical terminology

[edit on Wikidata]

During embryonic development of the eye, the outer wall of the bulb of the optic vesicles becomes thickened and invaginated, and the bulb is thus converted into a cup, the optic cup (or ophthalmic cup), consisting of two strata of cells. These two strata are continuous with each other at the cup margin, which ultimately overlaps the front of the lens and reaches as far forward as the future aperture of the pupil.

The optic cup is part of the diencephalon and gives rise to the retina of the eye.

## References

## External links

* Overview at temple.edu
* Overview at vision.ca

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Development of the nervous system

Neurogenesis|

| General|

* Neural development
* Neurulation
* Neurula
* Notochord
* Neuroectoderm
* Neural plate
* Neural fold
* Neural groove
* Neuropoiesis
* Adult neurogenesis

|

Neural crest|

* Cranial neural crest
* Cardiac neural crest complex
* Truncal neural crest

Neural tube|

* Rostral neuropore
* Neuromere / Rhombomere
* Cephalic flexure
* Cervical flexure
* Pontine flexure
* Alar plate
* Basal plate
* Glioblast
* Neuroblast
* Germinal matrix

Eye|

* Neural tube
* Optic vesicle
* Optic stalk
* Optic cup
* Surface ectoderm
* Lens placode

Ear|

* Otic placode
* Otic pit
* Otic vesicle

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