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umbilical cord

Anatomy. a cord or funicle connecting the embryo or fetus with the placenta of the mother and transporting nourishment from the mother and wastes from the fetus.
any electrical, fuel, or other cable or connection for servicing, operating, or testing equipment, as in a rocket or missile, that is disconnected from the equipment at completion.
Aerospace Slang. a strong lifeline by which an astronaut on a spacewalk is connected to the vehicle and supplied with air, a communication system, etc.
Origin of umbilical cord
1745-55; 1965-70 for def 2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for umbilical cord
  • Some types can be derived from umbilical cord blood, adult bone marrow, or possibly even adult skin.
  • Instead, its umbilical cord is linked to blood vessels in a membrane attached to the egg's inner wall.
  • Scientists have found that umbilical cord blood may be a new source of organ-growing stem cells.
  • One of the best and non-controversial sources of stem cells remains umbilical cord blood.
  • Charge comes via an electrical umbilical cord, ie the parent galaxies nuclear jet.
  • Fetal stem cells were extracted from the umbilical cord and frozen for use along with the marrow in last week's transplant.
  • One reason for this could be that the umbilical cord was compressed during labor or delivery.
  • Around his neck he wears an umbilical cord tied in a hangman's knot.
British Dictionary definitions for umbilical cord

umbilical cord

the long flexible tubelike structure connecting a fetus with the placenta: it provides a means of metabolic interchange with the mother
any flexible cord, tube, or cable used to transfer information, power, oxygen, etc, as between an astronaut walking in space and his spacecraft or a deep-sea diver and his craft
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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umbilical cord in Medicine

umbilical cord n.
The flexible cordlike structure connecting a fetus at the navel with the placenta and containing two umbilical arteries and one vein that transport nourishment to the fetus and remove its wastes. Also called funis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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umbilical cord in Science
umbilical cord
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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umbilical cord in Culture
umbilical cord [(um-bil-i-kuhl)]

A ropelike structure that connects a developing embryo or fetus to the placenta. The umbilical cord contains the blood vessels that supply the embryo or fetus with nutrients and remove waste products. Connected to the abdomen of the embryo or fetus, the umbilical cord is cut at birth, leaving a small depression — the navel, or “belly button.”

Note: The detaching of the umbilical cord provides a figure of speech for new independence: “He finally cut the umbilical cord and moved out of his parents' home.”
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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