- a tough, cordlike structure connecting the navel of a fetus to the placenta and serving to supply nourishment to, and remove waste from, the fetus
- umbilical (noun)
- 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 )
- Aerospace 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.
The flexible cord that attaches an embryo or fetus to the placenta. The umbilical cord contains blood vessels that supply nutrients and oxygen to the fetus and remove its wastes, including carbon dioxide.
(plural umbilical cords)
- (anatomy) The flexible structure connecting a foetus with the placenta; which transports nourishment to the foetus and removes waste.
- (aerospace) The line that supplies an astronaut with oxygen and communications when outside a spacecraft
- (aerospace) any of the various lines connecting a rocket to its launch pad before liftoff