umbilical cord: Quick Facts

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Facts

Also Known As	funiculus umbilicalis

Photos

Diagram showing human embryological and fetal development in three stages: at six weeks, the embryo is enclosed within halved amnion, chorion, and uterus; another view at six weeks highlights the formation of the umbilical cord; at three months, the fetus is shown within the halved amnion, chorion, and uterus, with the placenta and umbilical cord labeled.

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Topics

velamentous insertion of the cord navel embryo neural crest notochord sexual differentiation gestational age implantation cleavage segmentation induction histogenesis organogenesis