The cytotrophoblast (or layer of Langhans) is the inner layer of the trophoblast. It is interior to the syncytiotrophoblast and external to the wall of the blastocyst in a developing embryo.
例句与用法
1.
Egfr protein located on cell membrane , nuclear membrane and in the cytoplasm , characterized in both syncytiotrophoblast and cytotrophoblast Egfr存在于妊娠各期滋养层细胞的细胞膜、核膜及胞质中，其中细胞膜表达最强。
2.
The syncytiotrophoblast and cytotrophoblast cell of human placenta showed 5 - htia receptor and s - htjreceptor immunoreactivity , positive substance was located in cytoplasm with negative nuclei . 2 人胎盘绒毛滋养层细胞呈现5 - ht受体和5 - ht _ 3受体免疫反应性，阳性物质分布于胞质，胞核为阴性： 2
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