a condition in which the lens of the eye becomes cloudy. symptoms include blurred, cloudy, or double vision; sensitivity to light; and difficulty seeing at night. without treatment, cataracts can cause blindness. there are many different types and causes of cataracts. they may occur in people of all ages, but are most common in the elderly.
| fly | 遺伝子名 | Cataract |
| 同義語(エイリアス) | en(lz)4G/I; Dpax2; shaven/sparkling; Dpax-2; dPax258; l(4)40; D-pax-2; Pax2/5/8; D-Pax2; dPax2; sv; Pax258; pol: poliert; PAX2; DPax-2; sparkling; spa-sv; shaven; CG11049; spa; Sparkling; poliert; d-Pax2; pax2/sparkling; Pax2; D-pax2 | |
| SWISS-PROTのID | --- | |
| EntrezGeneのID | EntrezGene:43825 | |
| その他のDBのID | FlyBase:FBgn0005561 |
本文中に表示されているデータベースの説明
出典:Wiktionary
出典:『Wiktionary』 (2026/03/31 16:10 UTC 版)
The noun is derived from cataracts (noun (plural only)), from Late 中期英語 cataract, cataracta, cateract, cateracte (“floodgate of heaven”), from Old French cataracte (modern French cataracte), and from its etymon Latin cataracta (“floodgate; waterfall”), from Ancient Greek καταρ(ρ)άκτης (katar(rh)áktēs, “(noun) waterfall; (adjective) rushing downwards”), from καταρ(ρ)ᾱ́σσω (katar(rh)ā́ssō, “to pour down; to rush downwards”) + -της (-tēs, suffix forming nouns denoting a state of being). Καταρ(ρ)ᾱ́σσω (Katar(rh)ā́ssō) is derived either:
The verb is derived from the noun.
cataract (third-person singular simple present cataracts, present participle cataracting, simple past and past participle cataracted)
From Late 中期英語 cataract, cataracta, cateract, cateracte (“(medicine) clouding of the lens in the eye”), from Old French cataracte (“clouding of the lens in the eye”), and then either:
From Latin cataracta, from Ancient Greek καταρράκτης (katarrháktēs).
cataract (plural cateractes)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/11 13:05 UTC 版)
A cataract is a clouding that develops in the crystalline lens of the eye or in its envelope, varying in degree from slight to complete opacity and obstructing the passage of light. Early in the development of age-related cataract the power of the lens may be increased, causing near-sightedness (myopia), and the gradual yellowing and opacification of the lens may reduce the perception of blue colours. Cataracts typically progress slowly to cause vision loss and are potentially blinding if untreated. The condition usually affects both eyes, but almost always one eye is affected earlier than the other.
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