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cornea 音标拼音: [k'ɔrniə]

n. 角膜

角膜

WordNet (r) 3.0 (2006) (WordNet)

cornea
n 1: 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

The Collaborative International Dictionary of English v.0.48 (gcide)

Cornea \Cor"ne*a\ (k?r"n?-?), n.; pl. {Corneas} (-?z). [Fem.
sing., fr. L. corneus horny, fr. cornu a horn. See {Horn}.]
(Anat.)
The transparent part of the coat of the eyeball which covers
the iris and pupil and admits light to the interior. See
{Eye}.
[1913 Webster]

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英文字典中文字典相关资料:

Cornea: What It Is, Common Disorders Preventing Injury
What is the cornea? Your cornea is the clear, dome-shaped covering at the front of each of your eyes It’s like your eye’s version of a windshield It keeps debris, germs and more out Its specific shape plays a key role in how your eyesight works and filters some ultraviolet (UV) rays
Cornea - Wikipedia
The cornea has unmyelinated nerve endings sensitive to touch, temperature and chemicals; a touch of the cornea causes an involuntary reflex to close the eyelid
Cornea: Anatomy, Common Symptoms, and Treatments - WebMD
What Is a Cornea? Your cornea is your eye’s clear, protective outer layer, sitting at the front like a car windshield It acts like a barrier against dirt and germs, and it helps filter out
Cornea | Structure, Function Disease | Britannica
Cornea, dome-shaped transparent membrane about 12 mm (0 5 inch) in diameter that covers the front part of the eye Except at its margins, the cornea contains no blood vessels, but it does contain many nerves and is very sensitive to pain or touch
Cornea: Structure, Function, and Common Conditions Explained
The cornea is the clear front surface of the eye that helps focus light for vision Learn what the cornea does, common cornea conditions, and when symptoms need urgent care
Corneal Conditions - National Eye Institute
The cornea is the clear outer layer at the front of the eye There are several common conditions that affect the cornea Read about the types of corneal conditions, whether you are at risk for them, how they are diagnosed and treated, and what the latest research says
Cornea - Definition and Detailed Illustration - All About Vision
The cornea is the clear front surface of the eye It lies directly in front of the iris and pupil and allows light to enter the eye
Cornea Research Foundation of America - What is the Cornea?
The cornea is the clear tissue covering the front of your eye Like the crystal on your watch or the windshield to your car, your cornea serves as a protective window that allows light to enter your eye and come to focus on your retina
Cornea - LWW
Perilimbal subconjunctival BTX-A injection may offer a safe, minimally invasive adjunctive treatment for patients with refractory neuropathic corneal pain
Cornea - American Academy of Ophthalmology
The clear, dome-shaped window of the front of your eye It focuses light into your eye Read an overview of general eye anatomy to learn how the parts of the eye work together All content on the Academy’s website is protected by copyright law and the Terms of Service

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