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当前位置: 首页 > 文章 > 产后奶牛子宫内膜的扫描电镜观察 中国兽医学报 2004,24 (2) 183-186
Position: Home > Articles > Observation of Uterine Endometrium in the Postpartum Cows by Scanning Electron Microscope Chinese Journal of Veterinary Science 2004,24 (2) 183-186

产后奶牛子宫内膜的扫描电镜观察

作  者：
田文儒;何剑斌;丛霞;曹荣峰;姜忠玲;宋学雄
单  位：
沈阳农业大学畜牧兽医学院;莱阳农学院动物科技学院
关键词：
产后奶牛;子宫内膜;扫描电镜
摘  要：
应用扫描电镜观察了 5头奶牛产后不同时期子宫内膜的变化。结果发现 ,分娩后早期 ,奶牛子宫内膜部分破损 ,与破损部位相邻的细胞在产后 1周内相继脱落 ;未破损内膜上皮细胞表面的纤毛和微绒毛形状不整、数量减少。产后2周 ,基底细胞开始生长 ,至产后 4 5 d时生长完成 ;产后 4周 ,内膜破损区域缩小 ,上皮细胞表面纤毛和微绒毛形状规则、数量增加 ;产后 4 5 d,偶见上皮细胞缺失 ;至产后 6 0 d,子宫内膜上皮细胞完整、排列有序、被覆纤毛和微绒毛。上述结果表明 ,奶牛子宫内膜在分娩后 6 0 d内完成修复。
译  名：
Observation of Uterine Endometrium in the Postpartum Cows by Scanning Electron Microscope
作  者：
TIAN Wen-ru~1,HE Jian-bin~2,CONG Xia~1,CAO Rong-feng~1,JIANG Zhong-ling~1,SONG Xue-xiong~1 (1.Faculty of Animal Science and Technology,Laiyang Agricultural College,Laiyang,Shandong 265200,China;2.Faculty of Animal Husbandry and Veterinary Medicine,Shenyang Agricultural University,Shenyang 110161,China)
关键词：
postpartum cows;uterine endometrium;electron scanning microscope
摘  要：
Five postpartum Chinese-Holstein cows were used to monitor the changes of the uterine endometrium by scanning electron microscope.The results showed that during the early stage postpartum,some parts of the endometrium were damaged and the adjacent tissues to the endometrium were necrotic and exfoliated during the first 7 days pospartum.The pili and microvilli on the appeared normal epithelial cells were also damaged and markedly reduced in their number.By the second week after parturition the basal cells under the pseudostratified columnar epithelium of the uterine endometrium started to grow towards the uterine lumen to repair the damaged uterine epithelium.By the fourth week after calving the area of the damaged uterine endometrium were getting smaller.The pili and microvilli increased in their number with a regulation in shape.It was observed that a few epithelial cells lost by the day 45 postpartum and by the day 60 postpartum the endometrium of the uterus were all covered by epithelial cells with regular pili and microvilli.The results indicated that reparation of the uterine endometrium in the postpartum cows was completed within 60 days after calving.

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