[tro.pho.blast] n [ISV] (1889): a thin layer of ectoderm that forms the wall of many mammalian blastulas and functions in the nutrition and implantation of the embryo -- tro.pho.blas.tic adj
TROPHOBLAST
Meaning of TROPHOBLAST in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012