Wulle K G, Richter J
Albrecht Von Graefes Arch Klin Exp Ophthalmol. 1978 Dec 8;209(1):39-49. doi: 10.1007/BF00419161.
The eyes of a human embryo in the 6th week, 11 mm crown-rump (C.R.) length, and of a human embryo in the 7th week, 19 mm C.R. length, were examined. In the embryo of 11 mm C.R. length, the lens vesicle had just detached from the surface ectoderm, the presumptive corneal epithelium. The acellular primary corneal stroma appeared between the lens vesicle and the overlying ectoderm. The fine structure of the ectodermal cells, of their basal lamina, and of the primary stroma is described. In the embryo of 19 mm C.R. length, mesenchymal cells had moved from the periphery into the space between the ectoderm and the lens. There were remarkable changes in the structure of the corneal epithelial cells, in their basal lamina, and in the underlying substances of the primary stroma.
对一个头臀长11毫米的6周人类胚胎和一个头臀长19毫米的7周人类胚胎的眼睛进行了检查。在头臀长11毫米的胚胎中,晶状体泡刚刚从表面外胚层即假定的角膜上皮分离。无细胞的初级角膜基质出现在晶状体泡和上方的外胚层之间。描述了外胚层细胞、其基膜和初级基质的精细结构。在头臀长19毫米的胚胎中,间充质细胞已从周边移入外胚层和晶状体之间的间隙。角膜上皮细胞、其基膜以及初级基质的下层物质的结构发生了显著变化。