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Definitions

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.

Late in her third trimester, doctors diagnosed her with placenta accreta, a potentially life-threatening condition in which the placenta grows too far into the wall of the uterus.

From The Wall Street Journal • Dec. 28, 2025

They have already been detected in breast milk and in the placenta -- and even in the brain.

From Science Daily • Dec. 22, 2025

"It was the knitting needle I brought back from my parents' house. It was also that when I finally miscarried, I didn't know that there would be a placenta to pass."

From BBC • Dec. 12, 2025

As tradition dictated, her placenta was hurled into the Huangpu River; when it floated away, it was deemed that she too “would be raised and fed, only to drift away.”

From Los Angeles Times • Oct. 17, 2025

The only exposure of the infant mice to urethane was prenatal in these experiments, proving that the chemical must have passed through the placenta.

From "Silent Spring" by Rachel Carson