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・ Keratoconjunctivitis
・ Keratoconjunctivitis sicca
・ Keratoconus
・ Keratocyst
・ Keratocystic odontogenic tumour
・ Keratoderma
・ Keratoderma blennorrhagicum
・ Keratoderma climactericum
・ Keratodermia punctata
・ Keratoglobus
・ Keratohyalin
・ Keratoisis
・ Keratolysis exfoliativa
・ Keratolytic
・ Keratolytic winter erythema
Keratomalacia
・ Keratometer
・ Keratomileusis
・ Keraton Kasepuhan
・ Keratopathy
・ Keratophyre
・ Keratoprosthesis
・ Keratoscope
・ Keratosis
・ Keratosis extremitatum progrediens
・ Keratosis follicularis
・ Keratosis follicularis spinulosa decalvans
・ Keratosis linearis with ichthyosis congenital and sclerosing keratoderma syndrome
・ Keratosis obturans
・ Keratosis palmoplantaris transgrediens et progrediens


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Keratomalacia : ウィキペディア英語版
Keratomalacia

Keratomalacia is an eye disorder that results from vitamin A deficiency. Vitamin A is required to maintain specialized epithelia (such as in the cornea and conjunctiva).
The precise mechanism is still not known, but vitamin A is necessary for the maintenance of the specialized epithelial surfaces of the body. A lack of vitamin A leads to atrophic changes in the normal mucosal surface, with loss of goblet cells, and replacement of the normal epithelium by an inappropriate keratinized stratified squamous epithelium. In addition, the substantia propria of the cornea breaks down and liquefies, resulting in keratomalacia.
The resulting cornea becomes totally opaque, which is one of the most common reasons for blindness around the world, particularly in developing countries.
==See also==

* Acute promyelocytic leukemia
* Conjunctiva
* Keratoconjunctivitis sicca
* Vitamin A
* Xerophthalmia

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Keratomalacia」の詳細全文を読む



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