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本文根据扫描电子显微镜的观察、研究了晚期妊娠中毒症及胎儿宫内死亡病例的胎盘绒毛变化,并与正常妊娠胎盘绒毛进行了比较。 (1)轻度妊娠中毒症病例绒毛结构与正常妊娠绒毛结构、形态相似,绒毛稍细但差异不大。(2)重度妊娠中毒症病例与正常妊娠的胎盘绒毛相比,绒毛显著细小,分枝少并稀疏,其表面微小绒毛发生粘连、缺少,一般较粗糙。(3)子宫内胎儿死亡的胎盘绒毛可有明显的互相粘连,其表面的微小绒毛发生高度损害。
Based on the observation of scanning electron microscopy, this paper studied the changes of placental villi in late gestational toxicosis and fetal death cases, and compared with normal pregnancy placenta villi. (1) cases of mild gestational chorionic villus chorionic villi structure and normal pregnancy, similar in shape, hair slightly thin but little difference. (2) Severe gestational toxicosis cases compared with normal pregnancy placental villi, villi was significantly smaller, less branched and sparse, the surface of the tiny villi adhesions, the lack of, generally rough. (3) The placental villi which died of intrauterine fetal death may have obvious adhesion to each other, and the microvilli on their surface are highly damaged.