chorion
Noun
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Noun
chorion (plural chorions)
- (anatomy, biology) The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus.
- 2002, Rovert E. A. Stewart, Barbara E. Stewart, Female Reproductive Systems, entry in Encyclopedia of Marine Mammals, [http://books.google.com.au/books?id=RsEKkDNF5f4C&pg=PA425&dq=%22chorion%22%7C%22chorions%22+-intitle:%22%22+-inauthor:%22%22&hl=en&sa=X&ei=yJ2kUMbFJsvjmAXI4ICYDw&redir_esc=y#v=onepage&q=%22chorion%22%7C%22chorions%22%20-intitle%3A%22%22%20-inauthor%3A%22%22&f=false page 425],
- The allantois fuses with the chorion, forming a small round area, the allentochorion. This region becomes the placenta (Fig. 3).
- 2006, Ona Marie Faye-Petersen, Debra S. Heller, Vijay V. Joshi, Handbook Of Placental Pathology, [http://books.google.com.au/books?id=_gSq0Dw0wPYC&pg=PA4&dq=%22chorion%22%7C%22chorions%22+-intitle:%22%22+-inauthor:%22%22&hl=en&sa=X&ei=yJ2kUMbFJsvjmAXI4ICYDw&redir_esc=y#v=onepage&q=%22chorion%22%7C%22chorions%22%20-intitle%3A%22%22%20-inauthor%3A%22%22&f=false page 4],
- In this illustration, some license is taken, since the amnion is shown as still separate from the chorion; this is done to illustrate the process of apposition of the amniotic sac to the chorion and to accentuate the interposition of the yolk sac between the amnion and the chorion.
- 2002, Rovert E. A. Stewart, Barbara E. Stewart, Female Reproductive Systems, entry in Encyclopedia of Marine Mammals, [http://books.google.com.au/books?id=RsEKkDNF5f4C&pg=PA425&dq=%22chorion%22%7C%22chorions%22+-intitle:%22%22+-inauthor:%22%22&hl=en&sa=X&ei=yJ2kUMbFJsvjmAXI4ICYDw&redir_esc=y#v=onepage&q=%22chorion%22%7C%22chorions%22%20-intitle%3A%22%22%20-inauthor%3A%22%22&f=false page 425],
- (biology, entomology) The outer case of an insect egg.
- 2008, John L. Capinera, Eggs of Insects, entry in John L. Capinera (editor), Encyclopedia of Entomology, [http://books.google.com.au/books?id=i9ITMiiohVQC&pg=PA1290&dq=%22chorion%22%7C%22chorions%22+-intitle:%22%22+-inauthor:%22%22&hl=en&sa=X&ei=yJ2kUMbFJsvjmAXI4ICYDw&redir_esc=y#v=onepage&q=%22chorion%22%7C%22chorions%22%20-intitle%3A%22%22%20-inauthor%3A%22%22&f=false page 1290],
- In addition to facilitating gas exchange and water conservation, the chorion must, in some cases, allow uptake of water or liquid nutrients from the environment.
- 2008, John L. Capinera, Eggs of Insects, entry in John L. Capinera (editor), Encyclopedia of Entomology, [http://books.google.com.au/books?id=i9ITMiiohVQC&pg=PA1290&dq=%22chorion%22%7C%22chorions%22+-intitle:%22%22+-inauthor:%22%22&hl=en&sa=X&ei=yJ2kUMbFJsvjmAXI4ICYDw&redir_esc=y#v=onepage&q=%22chorion%22%7C%22chorions%22%20-intitle%3A%22%22%20-inauthor%3A%22%22&f=false page 1290],
- (botany) The outer membrane of seeds of plants.
- French: chorion
- German: Chorion, Zottenhaut
- Portuguese: córion, cório
- French: chorion
- French: chorion
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.005