placenta
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.
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
"This finding also reinforces our commitment to developing antidepressants that do not reach the placenta -- a focus of many of our studies right now."
From Science Daily • Mar. 17, 2026
Evolution repurposed ancient infections into essential parts of human biology, including the placenta and adaptive immunity.
From The Wall Street Journal • Jan. 1, 2026
In an ectopic pregnancy, the placenta can’t safely grow, increasing the chances of maternal bleeding and fetal death, according to the release.
From Los Angeles Times • Dec. 12, 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
Vocabulary lists containing placenta
Animals (Zoology) - Middle School
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Animals (Zoology) - High School
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"The Deep," Vocabulary from the short story
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