| 单词 | trophoblast |
| 释义 | trophoblast (extremely rare) n WORD FAMILY trophoblast USAGE EXAMPLESFisher derived this stem-cell line, which is capable of making trophoblast cells like those found in the placenta, from an eight-cell embryo. Nature(Mar 29, 2016) Because your blood vessels fused with my trophoblast clumps to create these blood chambers, my placenta was a hybrid organ made from both of us. Slate(May 10, 2015) The front line of the invasion is a cell called a trophoblast, from the outer layer of the embryo. New York Times(Jul 14, 2014) n the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta Hyper membrane, tissue layer a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants |
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