| 单词 | umbilical cord |
| 释义 | umbilical cordnounAnatomy. 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 cord1745–55; 1965–70 for def. 2 Words nearby umbilical cordUmberto, Umberto I, Umberto II, umbilical, umbilical artery, umbilical cord, umbilical hernia, umbilical ligament, umbilical region, umbilical ring, umbilical vein Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for umbilical cordumbilical cord nounthe 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 Cultural definitions for umbilical cordumbilical 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.” notes for umbilical cordThe 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 New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for umbilical cordumbilical 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.funis The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for umbilical cordumbilical cord [ ŭm-bĭl′ĭ-kəl ] 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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