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Definition of "decidua" []

  • A mucous membrane lining the uterus, modified during pregnancy and shed at parturition or during menstruation. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "decidua" in a sentence
  • "The peculiar tissue growth within the uterus called decidua, which occurs normally in pregnancy and serves to fasten the developing ovum to the inner lining of the uterus, may be produced experimentally."
  • "The part of the decidua which lines the remainder of the body of the uterus is known as the decidua vera or decidua parietalis."
  • "This comes away as the "afterbirth" at parturition; at the same time, the part of the mucous lining of the womb that has united inseparably with the chorion is torn away; hence it is called the decidua ( "falling-away membrane"), and also the"