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Issue:ISSN 1000-7083
          CN 51-1193/Q
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Your Position :Home->Past Journals Catalog->2009 Vol.28 No.1

Eye Morphogenesis in Xenopus laevis
Author of the article:WANG Lei, GAO Lan, JIA Yan-juan
Author's Workplace:(School of Life Sciences, Lanzhou University, Lanzhou 730000, China)
Key Words: Xenopus laevis; eye; morphogenesis; retina
Abstract:Eye morphogenesis in the Xenopus laevis was observed and described in detail. The attention was paid mainly to retina, lens and cornea development. The results indicated that eye morphogenesis in the Xenopus laevis began with the formation of optic primordium and soon it formed optic vesicle, which started with parietal margin apophysis of diencephalon, and ventriculus opticus extended encephalocoele to form a larger cavum. Lens morphogenesis induced the building up of inner ectoderm of the embryo to form prospective lens placode, during which the exine of optic cup thickened. Prospective lens placode continued to thicken to atactic circle with invagination of exine of optic cup, then deviated with ectoderm and invaginated. Prospective corneal epithelium secreted extracellular matrix to internal surface and generated primary corneal stroma, which was induced by retina and lens. Then interstitial cells invaded in primary corneal stroma and led to the formation of secondary corneal stroma and corneal endothelium finally became transparent corneal cornea.
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