cornea

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cor·ne·a

 (kôr′nē-ə)
n.
The transparent convex anterior portion of the outer fibrous coat of the eyeball that covers the iris and the pupil and is continuous with the sclera.

[Medieval Latin cornea (tēla), horny (tissue), from Latin corneus, horny, from cornū, horn; see ker- in Indo-European roots.]

cor′ne·al (-əl) adj.

cornea

(ˈkɔːnɪə)
n, pl -neas (-nɪəz) or -neae (-nɪˌiː)
(Anatomy) the convex transparent membrane that forms the anterior covering of the eyeball and is continuous with the sclera
[C14: from Medieval Latin cornea tēla horny web, from Latin cornū horn]
ˈcorneal adj

cor•ne•a

(ˈkɔr ni ə)

n., pl. -ne•as.
the transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera.
[1350–1400; Middle English < Medieval Latin cornea horny (web or tunic), feminine of corneus corneous]
cor′ne•al, adj.

cor·ne·a

(kôr′nē-ə)
The tough transparent membrane of the outer layer of the eyeball that covers the iris and the pupil. See more at eye.

cornea

A transparent convex membrane forming part of the eye’s outer coat in front of the iris and pupil.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cornea - the transparent dome-shaped anterior portion of the outer covering of the eyecornea - the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera
eye, oculus, optic - the organ of sight
arcus, arcus senilis - a whitish deposit in the shape of an arc that is sometimes seen in the cornea
tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
Translations
قَرْنِيَّة العيْن
rohovka
corneahornhinde
szaruhártya
hornhimna
ragena
radzene
rohovka
gözün saydam tabakası

cornea

[ˈkɔːnɪə] N (corneas or corneae (pl)) [ˈkɔːnɪiː]córnea f

cornea

[ˈkɔːrniə] ncornée f

cornea

nHornhaut f, → Cornea f (spec)

cornea

[ˈkɔːnɪə] n (Anat) → cornea

cornea

(ˈkoːniə) noun
the transparent covering of the eyeball.

cor·ne·a

n. córnea, parte anterior transparente del globo del ojo.

cornea

n córnea
References in classic literature ?
In certain crustaceans, for instance, there is a double cornea, the inner one divided into facets, within each of which there is a lens-shaped swelling.
The study of 663 participants found that at 10 years, the transplant success rates for corneas from donors aged 12 to 65 and aged 6 to 75 remained similar, at 77% and 71%.
I think the first thing is to increase the [local] procurement of corneas," said Beatrice Senemaud from Agence de la Biomedecine, who is visiting Lebanon to help change its organ donation practices.
Washington, October 5 ( ANI ): Scientists are in the process of developing two different types of artificial corneas, which they hope could save the vision of those affected by corneal diseases
The Scots team hope the new method will work better than the current transplant technique, which involves using tissue from the corneas of donors.
To make matters worse, most transplanted corneas only last about 10 years, and so the patient might need several in a lifetime.
ARTIFICIAL corneas are being used to restore vision in partially-blind patients.
A two- year follow- up of these patients has shown that cells and nerves from the patients' own corneas had grown into the implant, resulting in a " regenerated" cornea that resembled normal, healthy tissue.
Representatives from UltraVision took to the road to teach third-year optometry students at Cardiff and Anglia Ruskin Universities about irregular corneas.
lt;p>Because of this delay, the medical window of opportunity to perform the transplants for these patients was closed, because corneas can be transplanted only within the shortest time frame (24-48 hours after they are extracted from the donor's body).
The medical city observed Cornea Day recently to commemorate the successful transplantationAaof 55 corneas since the procedure started in the facility in June 2007.