發(fā)布時間：2018-06-19 00:37

  本文選題：女性胚胎 + 運動終板　； 參考：《安徽醫(yī)科大學學報》2014年10期

【摘要】：目的探討不同孕周女性胚胎肛提肌內(nèi)運動終板的分布狀態(tài)。方法將孕20~24周女性胚胎作為A組,孕24~28周女性胚胎作為B組,用Karnovsky-Roots鐵氰化銅染色法研究兩組胚胎的的平均體重、肛提肌上運動終板的形態(tài)、分布特點及運動終板數(shù)量的變化。結(jié)果孕20~28周女性胚胎其運動終板形態(tài)及分布特點基本一致且為橢圓形,均呈曲線分布于肛提肌纖維中外1/3處,A組胎兒體重及運動終板的數(shù)量均少于B組。結(jié)論孕20~28周女性胚胎肛提肌上均可見運動終板,形態(tài)無明顯差別,且沿肌纖維呈曲線分布,肛提肌上運動終板數(shù)量隨孕周的增加而增加。
[Abstract]:Objective to study the distribution of motor endplate in levator ani muscle of different gestational weeks in female embryos. Methods the female embryos of 20 and 24 weeks were used as group A and the female embryos of 24 weeks gestation as group B. the average body weight, the shape, distribution and the number of motor endplates in levator ani muscle were studied by Karnovsky-Roots iron cyanide copper staining method. Results the shape and distribution of motor endplate of female embryos at 20 ~ 28 weeks of gestation were basically the same and oval shape. The fetal body weight and the number of motor endplates in group A were less than those in group B at 1 / 3 of levator ani muscle fibers. Conclusion the motor end plate was found on the levator sphincter muscle of the female embryo at 20 ~ 28 weeks of gestation, and there was no significant difference in morphology, and the number of the motor end plate of the levator ani muscle was increased with the increase of gestational week, and the distribution of the motor end plate along the muscle fiber was curvilinear.
【作者單位】： 安徽醫(yī)科大學第二附屬醫(yī)院婦產(chǎn)科;
【基金】：國家自然科學基金(編號:81100412) 安徽省高等學校省級優(yōu)秀青年人才基金項目(編號:2011SQRL088)
【分類號】：R711.3

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