trophoblast

/ˌtrɑfəˈblæst/
IPA guide

Definitions of trophoblast
  1. noun
    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”
    see moresee less
    type of:
    membrane, tissue layer
    a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘trophoblast'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family