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・ Chorodna creataria
・ Chorodnodes
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・ Choroid
・ Choroid fissure
・ Choroid glomus
・ Choroid plexus
・ Choroid plexus carcinoma
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・ Choroid plexus papilloma
・ Choroid plexus tumor
・ Choroidal artery
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Choroidal neovascularization
・ Choroideremia
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・ Choromany-Witnice
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・ Choromytilus meridionalis
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Choroidal neovascularization : ウィキペディア英語版
Choroidal neovascularization
Choroidal neovascularization (CNV) is the creation of new blood vessels in the choroid layer of the eye. Choroidal neovascularization is a common cause of neovascular degenerative maculopathy (i.e. 'wet' macular degeneration) commonly exacerbated by extreme myopia, malignant myopic degeneration, or age-related developments.
==Causes==
CNV can occur rapidly in individuals with defects in Bruch's membrane, the innermost layer of the choroid. It is also associated with excessive amounts of Vascular endothelial growth factor (VEGF). As well as in wet macular degeneration, CNV can also occur frequently with the rare genetic disease pseudoxanthoma elasticum and rarely with the more common optic disc drusen. CNV has also been associated with extreme myopia or malignant myopic degeneration, where in choroidal neovascularization occurs primarily in the presence of cracks within the retinal (specifically) macular tissue known as lacquer cracks.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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