˜yÐÄvlog

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pterygium

[ tuh-rij-ee-uhm ]

noun

Ophthalmology.
plural pterygiums, pterygia
  1. an abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision.


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Other ˜yÐÄvlog Forms

  • ±è³Ù±ð·°ù²â²µî€ƒi·²¹±ô adjective
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˜yÐÄvlog History and Origins

Origin of pterygium1

1650–60; < New Latin < Greek ±è³Ù±ð°ùý²µ¾±´Ç²Ô little wing or fin, equivalent to pteryg- (stem of ±è³Ùé°ù²â³æ ) wing, fin + -ion diminutive suffix
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Example Sentences

Examples have not been reviewed.

Other eye conditions are related to UV exposure, including the noncancerous growths known as pinguecula and pterygium.

From

One condition also often associated with excessive exposure to UV ray is "surfers' eye" or pterygium; a benign growth of the conjunctiva, the thin, transparent tissue that covers the outer surface of the eye.

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The doctor diagnosed the ailment as pterygium, which he said was a common problem in the backstretch, caused by particles and extreme sun exposure.

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In some cases, however, it has been found that after removal of a large pterygium, a retraction of the caruncle and the semilunar fold is apt to take place, which renders the eyeball unpleasantly prominent.

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Connected with diseases of the eye, pterygium is common; not only single, but double, triple, and even quadruple are occasionally met with.

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