umbilical cord(redirected from chorda umbilicalis)
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a. Anatomy The flexible cordlike structure connecting a fetus at the abdomen with the placenta and containing two umbilical arteries and one vein that transport nourishment to the fetus and remove its wastes.
b. Something likened to this structure; a source or means of support or sustenance: "All the umbilical cords of dependency still exist because the public wants them" (David A. Stockman).
a. Any of various external electrical lines or fluid tubes that supply a rocket before launch.
b. The line that supplies an astronaut with oxygen and in some cases with communications while outside the spacecraft.
1. (Anatomy) the long flexible tubelike structure connecting a fetus with the placenta: it provides a means of metabolic interchange with the mother
2. any flexible cord, tube, or cable used to transfer information, power, oxygen, etc, as between an astronaut walking in space and his or her spacecraft or a deep-sea diver and his or her craft
1. a cordlike structure connecting the fetus with the placenta during pregnancy, conveying nourishment from the mother and removing wastes.
2. a disconnectable cable or connection for servicing, operating, or testing equipment, as in a rocket or missile.
3. a strong line that supplies air, communications, etc.
The flexible cord-like structure connecting a fetus at the abdomen to the placenta. It contains blood vessels that supply nourishment to the fetus and remove its wastes.
The cord that joins a fetus to a placenta.
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|Noun||1.||umbilical cord - membranous duct connecting the fetus with the placenta|
conceptus, fertilized egg, embryo - 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
fetus, foetus - an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal
duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
funiculus - any of several body structure resembling a cord
fetal membrane - any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus