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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.
Compare: extraembryonic
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
In the human embryo, a beating, tubular heart with extra- and intraembryonic circulations bringing blood to the heart is present at 21 days.
In four patients, the methotrexate combination was delivered in conjunction with a fetal intraembryonic potassium chloride injection, followed by uterine artery embolization.
An early preliver intraembryonic source of CFU-S in the developing mouse.

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