UMBILICALCORD

Umbilical cord

In placental mammals, the umbilical cord is a conduit between the developing embryo or fetus and the placenta. During prenatal development, the umbilical cord is physiologically and genetically part of the fetus and normally contains two arteries and one vein, buried within Wharton's jelly. The umbilical vein supplies the fetus with oxygenated, nutrient-rich blood from the placenta. Conversely, the fetal heart pumps deoxygenated, nutrient-depleted blood through the umbilical arteries back to the placenta.

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umbilical cord

Noun

  1. The flexible structure connecting a foetus with the placenta; which transports nourishment to the foetus and removes waste.
  2. (aerospace) The line that supplies an astronaut with oxygen and communications when outside a spacecraft
  3. (aerospace) any of the various lines connecting a rocket to its launch pad before liftoff


The above text is a snippet from Wiktionary: umbilical cord
and as such is available under the Creative Commons Attribution/Share-Alike License.

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