Optic cup

Optic cup
The white, cup-like area in the center of the optic disc. The optic disk is the circular area at the back of the inside of the eye where the optic nerve connects to the retina.

* * *

optic cup n the optic vesicle after invaginating to form a 2-layered cup from which the retina and pigmented layer of the eye will develop called also eyecup

* * *

either of the paired cup-shaped outgrowths of the embryonic brain that form the retina and iris of the eyes.

* * *

1. excavatio disci. 2. an indentation of the distal wall of the optic vesicle, brought about by rapid marginal growth and producing a double-layered cup, attached to the diencephalon by a tubular stalk.

Medical dictionary. 2011.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Optic cup — may refer to: Optic cup (embryology) Optic cup (ophthalmology) This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point …   Wikipedia

  • Optic cup (embryology) — Transverse section of head of chick embryo of forty eight hours’ incubation. (Margin of optic cup labeled at upper right.) …   Wikipedia

  • Optic cup (anatomical) — The optic cup is the white, cup like area in the center of the optic disc.[1] The ratio of the size of the optic cup to the optic disc (or cup to disc ratio) is measured to diagnose glaucoma. References ^ Algazi VR, Keltner JL, Johnson CA… …   Wikipedia

  • Optic cup (ophthalmology) — The optic cup is the white, cup like area in the center of the optic disc.cite journal |author=Algazi VR, Keltner JL, Johnson CA |title=Computer analysis of the optic cup in glaucoma |journal=Invest. Ophthalmol. Vis. Sci. |volume=26 |issue=12… …   Wikipedia

  • optic cup — noun Date: circa 1885 the optic vesicle after invaginating to form a 2 layered cup from which the retina and pigmented layer of the eye will develop called also eyecup …   New Collegiate Dictionary

  • optic cup — either of the paired cup shaped outgrowths of the embryonic brain that form the retina and iris of the eyes …   The new mediacal dictionary

  • optic cup — a stage in eye development with an inner layer developing as the neural retina and an outer layer forming the pigmented retina …   Dictionary of ichthyology

  • optic cup — noun (embryology) a two walled cuplike depression that develops into the pigmented and sensory layers of the retina • Syn: ↑eyecup • Topics: ↑embryology • Hypernyms: ↑calyculus, ↑caliculus, ↑ …   Useful english dictionary

  • Optic disc — Interior of posterior half of bulb of left eye. The veins are darker in appearance than the arteries …   Wikipedia

  • Optic stalk — Transverse section of head of chick embryo of fifty two hours’ incubation …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”