| NOUN | animal | trophoblast | the membrane that forms the wall of the blastocyst in early development |
|---|
| Meaning | The membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall. | |
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| Example | "after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta" | |
| Part of | blastula, blastosphere | Early stage / stage of an embryo produced by cleavage of an ovum |
| Broader | membrane, tissue layer | A pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants |
| Spanish | trofoblasto | |
| Catalan | trofoblast | |
| Adjectives | trophoblastic | of or relating to the trophoblast |
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