placental barrier

noun

: a semipermeable membrane made up of placental tissues and limiting the kind and amount of material exchanged between mother and fetus
thiazides cross the placental barrier and appear in cord bloodResident & Staff Physician

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Cite this Entry

“Placental barrier.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/placental%20barrier. Accessed 10 Dec. 2024.

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