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placenta

[pluh-sen-tuh] / pləˈsɛn tə /


NOUN
membrane
Synonyms


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.

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While most common infections do not directly reach a developing fetus, these pathogens can sometimes cross the placenta and cause a congenital infection.

From Science Daily ● Sep. 23, 2026

They also found the mother’s placenta and umbilical cord in a trash bag, according to the sheriff’s office.

From Los Angeles Times ● Sep. 18, 2026

"I borrowed a razor blade to cut the placenta," she told AFP.

From Barron's ● Aug. 12, 2026

All newborns lack vitamin K. No matter how much vitamin K a mother consumes, it doesn’t sufficiently pass through the placenta, and breast milk contains only small amounts.

From Salon ● May 7, 2026

Her placenta had weakened and she’d had a cesarean, though not quickly enough.

From "Interpreter of Maladies" by Jhumpa Lahiri

In making longitudinal sections of the fertilised ovary before mentioned, I found the basal portion entirely destitute of ovules, their place being substituted by transparent cellular ramification of the placentae.

From More Letters of Charles Darwin — Volume 2 by Sir Francis Darwin

As I traced the placentae upwards, the ovules appeared, becoming gradually more abundant towards its apex.

From More Letters of Charles Darwin — Volume 2 by Sir Francis Darwin

After parturition, placentae and bloody discharge often are in evidence in the vaginal canal.

From Aspects of Reproduction and Development in the Prairie Vole (Microtus ochrogaster) by Henry S. Fitch

Yet when I call to mind the state of the placentae in A. luteola, I am astonished that they should produce ovules.

From More Letters of Charles Darwin — Volume 2 by Sir Francis Darwin

One point makes the above view more probable in Acropera than in other cases, viz. the presence of rudimentary placentae or testae, for I cannot hear that these have been observed in the male plants.

From More Letters of Charles Darwin — Volume 2 by Sir Francis Darwin

They’ve been found in human organs and tissue, such as brains, livers, placentas and testicles.

From Los Angeles Times ● Apr. 2, 2026

Deposits of black carbon from air pollution have been found in the human body including in placentas analysed after birth.

From BBC ● Feb. 6, 2026

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




Vocabulary lists containing placenta


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