Definitions for chorion
ˈkɔr iˌɒn, ˈkoʊr-chori·on

Princeton's WordNetRate this definition:0.0 / 0 votes

1. chorionnoun

   the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)

WiktionaryRate this definition:0.0 / 0 votes

1. chorionnoun

   The protective and nutritive membrane that attaches higher vertebrate fetuses to the uterus.

2. chorionnoun

   The outer case of an insect egg.

3. chorionnoun

   The outer membrane of seeds of plants.

Samuel Johnson's DictionaryRate this definition:0.0 / 0 votes

1. Chorionnoun

   The outward membrane that enwraps the fœtus.

   Etymology: χωϱεῖν, to contain.

WikipediaRate this definition:0.0 / 0 votes

1. Chorion

   The chorion is the outermost fetal membrane around the embryo in mammals, birds and reptiles (amniotes). It develops from an outer fold on the surface of the yolk sac, which lies outside the zona pellucida (in mammals), known as the vitelline membrane in other animals. In insects it is developed by the follicle cells while the egg is in the ovary.

ChatGPTRate this definition:0.0 / 0 votes

1. chorion

   The chorion is a membrane that develops around an embryo in mammals, birds, and reptiles, playing a crucial role in embryogenesis by contributing to the formation of placenta in mammals and to gas exchange in eggs of bird and reptiles. In humans, it is the outermost layer of the embryonic sac, which with the mother's endometrium forms the placenta.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Chorionnoun

   the outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development

2. Chorionnoun

   the true skin, or cutis

3. Chorionnoun

   the outer membrane of seeds of plants

4. Etymology: [NL., fr. Gr. .]

WikidataRate this definition:0.0 / 0 votes

1. Chorion

   The chorion is one of the membranes that exist during pregnancy between the developing fetus and mother. It is formed by extraembryonic mesoderm and the two layers of trophoblast and surrounds the embryo and other membranes. The chorionic villi emerge from the chorion, invade the endometrium, and allow transfer of nutrients from maternal blood to fetal blood.

Chambers 20th Century DictionaryRate this definition:0.0 / 0 votes

1. Chorion

   kō′ri-on, n. the outer fœtal envelope: the external membrane of the seeds of plants:—pl. Chō′ria.—adj. Chō′roid. [Gr.]

U.S. National Library of MedicineRate this definition:0.0 / 0 votes

1. Chorion

   The outermost extra-embryonic membrane surrounding the developing embryo. In REPTILES and BIRDS, it adheres to the shell and allows exchange of gases between the egg and its environment. In MAMMALS, the chorion evolves into the fetal contribution of the PLACENTA.

EntomologyRate this definition:0.0 / 0 votes

1. Chorion

   the shell or covering membrane of an insect egg.

Matched Categories

1. • Mammal
   • Sac

Usage in printed sourcesFrom: 

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How to pronounce chorion?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say chorion in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of chorion in Chaldean Numerology is: 3

2. Pythagorean Numerology

   The numerical value of chorion in Pythagorean Numerology is: 1

Popularity rank by frequency of use

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=chorion
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Chorion
3. ^ Samuel Johnson's Dictionary
   https://johnsonsdictionaryonline.com/views/search.php?term=chorion
4. ^ Wikipedia
   https://en.wikipedia.org/wiki/Chorion
5. ^ ChatGPT
   https://chat.openai.com
6. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/chorion
7. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=chorion
8. ^ Chambers 20th Century Dictionary
   https://www.gutenberg.org/files/37683/37683-h/37683-h.htm#:~:text=chorion
9. ^ Entomology
   https://www.gutenberg.org/files/22748/22748-h/22748-h.htm#:~:text=chorion
10. ^ Usage in printed sources
    https://books.google.com/ngrams/graph?content=chorion