Embryonic Vein

A body part, organ or organ component that is formed during the embryonic stage of life of an organism.

Primitive (undifferentiated) cells that are derived from preimplantation-stage embryos, are capable of dividing without differentiating for a prolonged period in culture,…

Embryonic stem cells, which have been cultured under in vitro conditions that allow proliferation without differentiation for months to years.

Embryonic stem (ES) cells are cells derived from the inner cell mass of the early embryo that can be propagated indefinitely in…

A stage of life in which an embryo is developing. The stage terminates with the complete formation of the embryo.

Pregnancy loss at 6 weeks, 0 days to 9 weeks, 6 days of gestation of an embryo with crown-rump length less than…