placenta
Anatomy, Zoology. the organ in most mammals, formed in the lining of the uterus by the union of the uterine mucous membrane with the membranes of the fetus, that provides for the nourishment of the fetus and the elimination of its waste products.
Botany.
the part of the ovary of flowering plants that bears the ovules.
(in ferns and related plants) the tissue giving rise to sporangia.
Origin of placenta
1Other words from placenta
- pla·cen·tal, plac·en·tar·y [plas-uhn-ter-ee, pluh-sen-tuh-ree], /ˈplæs ənˌtɛr i, pləˈsɛn tə ri/, adjective
- in·ter·pla·cen·tal, adjective
- non·pla·cen·tal, adjective
- pre·pla·cen·tal, adjective
- sub·pla·cen·ta, noun, plural sub·pla·cen·tas, sub·pla·cen·tae.
- sub·pla·cen·tal, adjective
Words Nearby placenta
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use placenta in a sentence
Thus, the false narrative goes, the immune system will not be able to differentiate between the two and will create antibodies that interfere with proper development of the placenta.
The case for getting a Covid-19 vaccine during pregnancy | Matthew Woodruff | August 26, 2021 | QuartzAnother protein similar to gag, dubbed PEG10, can grab onto RNA and also form bubbly spaceships to help develop the placenta and aid reproduction.
Surprise! Our Bodies Have Been Hiding a Trojan Horse for Gene Therapy | Shelly Fan | August 24, 2021 | Singularity HubSome people have confused these spike proteins with a completely different kind of protein called syncytin-1, which is part of placenta formation during pregnancy.
Still Unsure About Getting The COVID-19 Vaccine? Start Here. | Kaleigh Rogers | August 11, 2021 | FiveThirtyEightBleeding heavily from what she later learned was a tear between her uterus and her baby’s placenta, Benitez later bargained with her doctors.
A Program Promised to Pay for Brain-Damaged Infants’ Care. Then It Sent Families to Medicaid Instead. | by Daniel Chang and Carol Marbin Miller, Miami Herald | June 1, 2021 | ProPublicaAll the vaccines have that material, the placenta and the embryos.
Five days, 100 vaccine doses and a wildfire of conspiracy theories | Jose Del Real | May 28, 2021 | Washington Post
Nothing much to use in cleaning up the baby and his mother after the birth, no place to dispose of the placenta.
Usually, the disease resolves with the birth of the baby and placenta.
Beyond ‘Downton Abbey’: Preeclampsia Maternal Deaths Continue Today | Eleni Tsigas, Christine Morton | January 28, 2013 | THE DAILY BEASTIt normally occurs during weeks six and eight of pregnancy, when the placenta takes over production of hormones from the ovaries.
What Exactly Is Wrong With Kate (And Is She Vomiting Blood?) Experts Rush To Explain... | Tom Sykes | December 3, 2012 | THE DAILY BEASTYou get the biting of the placenta and you get Renesmee biting her without necessarily seeing it.
Bill Condon and Melissa Rosenberg on 'Twilight Saga: Breaking Dawn' | Marlow Stern | November 21, 2011 | THE DAILY BEASTI had to tell her she had a condition with her placenta that made abortion risky.
Dugung nagpúgul sa inunlan, placenta filled with a big clot of blood.
A Dictionary of Cebuano Visayan | John U. WolffFinally, some persons make use of the method of corrosion to prepare and preserve the placenta.
History of Embalming | J. N. GannalThey pass up the sides of the bladder towards the navel, enter the sheath of the cord, and so reach the placenta.
The diameter of the placenta is about six inches, and its thickness about one inch and a half.
Some have even averred that the placenta is not required at all, to supply nourishment, but is merely a purifying organ.
British Dictionary definitions for placenta
/ (pləˈsɛntə) /
the vascular organ formed in the uterus during pregnancy, consisting of both maternal and embryonic tissues and providing oxygen and nutrients for the fetus and transfer of waste products from the fetal to the maternal blood circulation: See also afterbirth
the corresponding organ or part in certain mammals
botany
the part of the ovary of flowering plants to which the ovules are attached
the mass of tissue in nonflowering plants that bears the sporangia or spores
Origin of placenta
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for placenta
[ plə-sĕn′tə ]
The sac-shaped organ that attaches the embryo or fetus to the uterus during pregnancy in most mammals. Blood flows between mother and fetus through the placenta, supplying oxygen and nutrients to the fetus and carrying away fetal waste products. The placenta is expelled after birth.
The part of the ovary of a flowering plant to which the ovules are attached. In a green pepper, for example, the whitish tissue to which the seeds are attached is the placenta.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for placenta
[ (pluh-sen-tuh) ]
An organ that forms in the uterus after the implantation of a zygote. The placenta moves nourishment from the mother's blood to the embryo or fetus; it also sends the embryo or fetus's waste products into the mother's blood to be disposed of by the mother's excretory system. The embryo or fetus is attached to the placenta by the umbilical cord. After birth, the placenta separates from the uterus and is pushed out of the mother's body.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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