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
The new vaccine was introduced in the UK in 2024 after clinical trials showed it could boost a pregnant woman's immune system enough to pass on protection to the baby through the placenta.
From BBC • Apr. 17, 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
Although scientists once believed that the placenta was a tight, impermeable barrier separating mother and child, that’s not true.
From The Wall Street Journal • Nov. 4, 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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