procorneao2o是什么意思思？

来源：蜘蛛抓取(WebSpider) 时间：2015-04-25 10:10 标签： xd股票是什么意思
cornea是什么意思，词典释义与在线翻译：
【解】角膜
提示：各行业词典APP中含有本词条的独家正版内容，在手机上可看到更多释义内容。
cornea&:&角膜 ...
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the transparent dome-shaped anterior portion of the outer it covers the iris and pupil and is continuous with the sclera
cornea的用法和样例：
用作名词 (n.)
Light enters the eye through the cornea.
光通过角膜进入眼睛。
One solution is to implant a donor cornea.
一种解决办法就是植入捐赠的角膜。
角膜粉屑样变性...
圆锥形角膜
角膜点状变性...
角膜刀, 三角刀...
[医] 角膜小管...
角化性痤疮
角膜角化不良...
cornea的海词问答与网友补充：
cornea的相关资料：
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cornea:cornea n. [医]角膜 英英解释:名词cornea:1. transparent anterior portion of the outer it c…
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& 2012 金山软件Histomorphometric profile of the corneal response to short-term reverse-geometry orthokeratology lens wear in primate corneas: a pilot study.
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):461-70. doi: 10.1097/ICO.0b013ec.Histomorphometric profile of the corneal response to short-term reverse-geometry orthokeratology lens wear in primate corneas: a pilot study.1, , , , , .1Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, Malaysia. pscheah@medic.upm.edu.myAbstractPURPOSE: To investigate the histological changes in primate cornea induced by short-term overnight orthokeratology (OK).METHODS: Nine young adult primates were used. One animal served as negative control. The remaining 8 animals wore reverse-geometry OK lenses for periods of 4, 8, 16, and 24 hours on 1 eye with the other eye as control. Central and midperipheral corneal thickness, as well as ultrastructural changes in corneal epithelium, stroma and endothelium in response to OK lenses, were evaluated.RESULTS: OK significantly reduced the thickness of the central cornea in all treatment groups. The central corneal thinning was both stromal and epithelial in origin. Substantial midperipheral corneal thickening was seen in 16-hour and 24-hour lens-wear groups and this effect was both stromal and epithelial in origin as well. Histology evidence indicated the primary epithelial response in the central cornea was compression of cells that resulted in wing cells becoming shorter and basal cells being squatted rather than lost or migration of cell layers. These pronounced cell shape changes occurred without compromising the structural integrity of the desmosomes. The thickened corneal epithelium has normal cell layers. The squamous cells have larger surface sizes and are composed of oval instead of flattened nuclei. This implied delayed surface cell exfoliation at the thickened midperipheral epithelium. Physical presence of OK lens over the cornea did not influence the microstructures of microvilli and microplicae, endothelium, and collagen distribution.CONCLUSIONS: The primate cornea, particularly the corneal epithelium, responds rapidly to the application of reverse-geometry OK lenses with significant epithelial cell shape alterations with short-term OK lens wear. This finding suggests that the corneal epithelium is moldable in response to the physical forces generated by the OK lenses.PMID:
[PubMed - indexed for MEDLINE]
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