chorion

Meaning

  1. The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus.
  2. The outer case of an insect egg.
  3. The outer membrane of seeds of plants.

Synonyms

corion

chorionic membrane

Pronounced as (IPA)
/ˈkɔɹiɑn/
Etymology

From Late Latin chorion, from Ancient Greek χόριον (khórion, “membrane surrounding the fetus, afterbirth”).

Notes

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