UmbilicalWordNet Explorer

membranous duct connecting the fetus with the placenta

a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance

any of several body structure resembling a cord

any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus

an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life

an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal

a vein in the umbilical cord; returns nutrient blood from the placenta to the fetus