Also found in: Encyclopedia.
Within the embryonic body, for example, the portion of the umbilical vein within the embryo (in contrast to the portion in the umbilical cord which is discarded at birth). Compare: extraembryonic.
Farlex Partner Medical Dictionary © Farlex 2012
Within the embryonic body; referring to the portion of the umbilical vein within the embryo.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012