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单词 syncytiotrophoblast
释义

> as lemmas

synˌcytioˈtrophoblast
synˌcytioˈtrophoblast n. the outer, syncytial layer of the trophoblast; (also) one of the cells that make up this layer.
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the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > trophoblast
trophoblast1889
plasmoditrophoblast1905
trophectoderm1915
syncytiotrophoblast1926
1926 Jrnl. Anat. (Proc. Anat. Soc.) 61 77 The trophoblast consists of a thick folded cellular layer (cytotrophoblast), on the outer surface of which an irregular and as yet thin deeply staining layer of syncytio-trophoblast is in process of differentiation.
1961 Nature 29 July 510/1 In human beings, the syncytiotrophoblasts are the fœtal cells in direct contact with the maternal bloodstream.
1980 Sci. Amer. Aug. 82/2 (caption) As the invasion proceeds the trophoblast differentiates into two layers, the outer syncytiotrophoblast, which leads the advance into the endometrium, and the cytotrophoblast, which forms a complex system of projections that eventually push through the syncytiotrophoblast into the pools of maternal blood.
extracted from syncytiumn.
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更新时间:2025/3/21 18:10:29