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Noun: trophoblast  'trófu`blãst
  1. 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"

Derived forms: trophoblasts

See also: trophoblastic

Type of: membrane, tissue layer

Part of: blastosphere, blastula

Encyclopedia: Trophoblast

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Tropaeolaceae
Tropaeolum
Tropaeolum majus
Tropaeolum minus
Tropaeolum peregrinum
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