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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 - Wikipedia
The cornea is one of the most sensitive tissues of the body, as it is densely innervated with sensory nerve fibres via the ophthalmic division of the trigeminal nerve by way of 70–80 long ciliary nerves
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: 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
Corneal Conditions - National Eye Institute
What is the cornea? The cornea is the clear outer layer at the front of the eye The cornea helps your eye to focus light so you can see clearly
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
The Cornea | Eye Disorders | Ophthalmology | Area of Care . . .
The cornea is the eye's outermost layer It is the clear, dome-shaped surface that covers the front of the eye Structure of the Cornea Although the cornea is clear and seems to lack substance, it is actually a highly organized group of cells and proteins
Cornea - Definition and Detailed Illustration - All About Vision
Here are the basics you should know about this important part of the eye The cornea is the clear front surface of the eye It lies directly in front of the iris and pupil, and it allows light to enter the eye Viewed from the front of the eye, the cornea appears slightly wider than it is tall

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