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Carnegie Embryo #7801 | Location: 13-01-04
Keywords: cytotrophoblast, extra-embryonic coelom, mesoblast (mesenchyme) core of secondary stem villus, mesoblast(s) in caudal wall of secondary umbilical vesicle, primordial blood vessel(s), primordial connecting stalk, primordial germ cell(s), syncytiotrophoblast
Source: The Virtual Human Embryo.