Dictionary.com
Thesaurus.com

placentas

  • plural
    of placenta.
    placenta
    noun
    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.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

She was carrying an unknown number of human placentas in a plastic bag when she was picked up, according to the police.

From BBC Sep. 19, 2025

The examples included an NPR story on eating human placentas, a practice that has been around for decades, and a 2017 documentary about a transgender teen on PBS.

From Los Angeles Times May 2, 2025

Some placentas have evolved to be disklike, some are leaf-shaped, some ring-shaped, heart-shaped; some are ridged, branched, labyrinthine, or weblike.

From Slate Sep. 7, 2024

Had someone looked at this patient’s placentas sooner, said Parast, her multiple stillbirths may have been prevented with treatment.

From Salon May 29, 2024

In 2006, some seven hundred new mothers found out that doctors had taken their placentas without consent to test for abnormalities that might help the hospital defend itself against future lawsuits over birth defects.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot