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amnion, amniotic cavity, cytotrophoblast, embryonic disc, embryonic endoderm, endometrial epithelium, endometrial stroma, epiblast, exocoelomic (Heuser's) membrane, extra-embryonic endoderm, extra-embryonic mesoblast, fibrous coagulum, maternal blood cells in trophoblast lacuna, primary yolk sac cavity (exocoelom), sinusoid, syncytiotrophoblast, uterine cavity, uterine gland

The 11-day previllous embryo (late bilaminar blastocyst)
Stage 5
Age 11 days
Carnegie collection 7699

Hertig and Rock, 1941.


Keywords: amnion, amniotic cavity, cytotrophoblast, embryonic disc, embryonic endoderm, endometrial epithelium, endometrial stroma, epiblast, exocoelomic (Heuser's) membrane, extra-embryonic endoderm, extra-embryonic mesoblast, fibrous coagulum, maternal blood cells in trophoblast lacuna, primary yolk sac cavity (exocoelom), sinusoid, syncytiotrophoblast, uterine cavity, uterine gland

Source: Atlas of Human Embryos.