Chorion Definition

kôrē-ŏn
noun
The outermost of the two membranes that completely envelop a fetus.
Webster's New World
The outer membrane or shell of the eggs of insects and other invertebrates.
Webster's New World

Other Word Forms of Chorion

Noun

Singular:
chorion
Plural:
chorions

Origin of Chorion

  • From Late Latin chorion, from Ancient Greek χοριον (khorion, “membrane surrounding the fetus, afterbirth”).

    From Wiktionary

  • Greek khorion gherə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

Chorion Sentence Examples

  • Many Gastropoda deposit their eggs, after fertilization, enclosed in capsules; others, as Paludina, are viviparous; others, again, as the Zygobranchia, agree with the Lamellibranch Conchifera (the bivalves) in having simple exits for the ova without glandular walls, and therefore discharge their eggs unenclosed in capsules freely into the sea-water; such unencapsuled eggs are merely enclosed each in its own delicate chorion.

  • The surface of the chorion is covered evenly with minute villi, constituting a diffuse non-deciduate placenta.

  • One important question is whether or not the twins shared a chorion in the womb.

  • Mums-to-be are currently offered the traditional method in which a needle is inserted inside the womb (amniocentesis or chorion villus sampling ).

  • We do occasionally find mosaicism in chorion villous cells obtained by the CVS test at 12 weeks gestation.

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Words Starting With

CCHCHO

Words Ending With

NONION

Unscrambles

chorion

Words Starting With C and Ending With N

Starts With C & Ends With NStarts With CH & Ends With NStarts With C & Ends With ON

Word Length

7 Letter Words7 Letter Words Starting With C7 Letter Words Ending With N