Definitions

from The Century Dictionary.

  • Of or pertaining to the placenta.
  • Forming or constituted by a placenta: as, placental gestation; a placental part of the chorion.
  • Provided with a placenta; placentate or placentary: as, a placental mammal.
  • noun A placental mammal; any member of the Placentalia.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) One of the Placentalia.
  • adjective Of or pertaining to the placenta; having, or characterized by having, a placenta.
  • adjective (Zoöl.) Of or pertaining to the Placentalia.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of or pertaining to the placenta, or to the Placentalia
  • adjective Having a placenta
  • noun Any animal that is a member of the Placentalia

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun mammals having a placenta; all mammals except monotremes and marsupials
  • adjective pertaining to or having or occurring by means of a placenta

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word placental.

Examples

  • On March 10, 2004, Jocelyn was delivered through an abdominal incision, but remained connected to the umbilical cord to allow her to maintain placental support while the CCAM was surgically removed.

    Jocelyn's CCAM story 2010

  • Think of being a creature who is used to drawing in placental fluid and then suddenly, for the first time, breathes air!

    Expiration Dates 2009

  • We should also remember that the saber-toothed cat phenotype independently appeared in placental and marsupial ancestors, lineages that were long separated not only genetically, but temporally and spatially as well.

    Behe, Common Descent, & UD 2009

  • During the EXIT procedure, the baby is delivered through an abdominal incision, but remains connected to the umbilical cord to allow the baby to maintain placental support.

    CCAM — Jackson 2010

  • During EXIT, which stands for ex-utero intrapartum therapy, the baby is delivered through an abdominal incision, but remains connected to the umbilical cord to allow the baby to maintain placental support.

    CCAM — Ryan 2010

  • When the placenta separates from the wall of the uterus before the birth of the baby, it is called a placental abruption.

    Our Bodies, Ourselves: Pregnancy and Birth THE BOSTON WOMEN’S HEALTH BOOK COLLECTIVE 2008

  • When the placenta separates from the wall of the uterus before the birth of the baby, it is called a placental abruption.

    Our Bodies, Ourselves: Pregnancy and Birth THE BOSTON WOMEN’S HEALTH BOOK COLLECTIVE 2008

  • Thirdly, the tooth enamel of Chronoperates is reportedly of pseudoprismatic type, a morphology not present in placental mammals and thus by inference expected in non-mammalian synapsids.

    Archive 2006-05-01 Darren Naish 2006

  • Though far from identical, even in superficial characteristics, each marsupial in the illustration overleaf is sufficiently similar to its placental equivalent – that is, the placental that most closely practises the same ‘trade’ – to impress us, but certainly not sufficiently similar to suggest ‘borrowing’ by a creator.

    THE GREATEST SHOW ON EARTH RICHARD DAWKINS 2009

  • Yet they are marsupials, quite different from the wolves, cats, rabbits, moles, shrews, lions and flying squirrels with which we are familiar in the rest of the world, the so-called placental mammals.

    THE GREATEST SHOW ON EARTH RICHARD DAWKINS 2009

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.