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Electron microscopic study of development of thymic microenvironment in snake (Rhabdophis tigrina)
Author(s): 
Pages: 55-59
Year: Issue:  1
Journal: Yantai Teachers University journal(Natural Science

Keyword:  snake(Rhabdophis tigrina)thymusmicroenvironmentepithelial cellmacrophagedevelopment;
Abstract: 从超微结构方面对虎斑颈槽蛇(Rhabdophistigrina)胚胎期间胸腺基质细胞的发育进行了观察分析.结果表明,胸腺上皮细胞在胚胎发育11~12期呈单一的淡染细胞类型,到15期出现深染细胞类型,16期胸腺皮质和髓质基本形成,胸腺上皮细胞也和成体的胸腺一样分化为被膜下上皮细胞、血管周上皮细胞、皮质上皮细胞和髓质上皮细胞.胸腺巨噬细胞和幼肌样细胞分别出现于胚胎发育14期和15期,随后细胞逐渐发育成熟,细胞数量增多;到胚胎发育16期,它们分别分布于胸腺皮质和髓质.另外,在胚胎发育14期,还可见到浆细胞样的细胞
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