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noun
1.
Embryology. the outermost of the extraembryonic membranes of land vertebrates, contributing to the formation of the placenta in the placental mammals.
2.
Zoology. the membrane around the eggs of certain insects, secreted by cells of the ovary.
Origin:
1535–45; < Neo-Latin < Greek chórion membrane enclosing the fetus
1535–45; < Neo-Latin < Greek chórion membrane enclosing the fetus
Related forms
cho·ri·on·ic, cho·ri·al, adjective
sub·cho·ri·on·ic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Chorionic
is always a great word to know.
So is zedonk. Does it mean:
| the offspring of a zebra and a donkey. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
Collins
World English Dictionary
| chorion (ˈkɔːrɪən) | |
| —n | |
| See also amnion the outer of two membranes that form a sac around the embryonic reptile, bird, or mammal: contributes to the placenta in mammals | |
| [C16: from Greek khorion afterbirth] | |
| chori'onic | |
| —adj | |
| 'chorial | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
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