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Subjects (1-3 of 3)
Placenta
1

-- See Also the narrower term Blastocyst


2

-- See Also the narrower term Maternal-fetal exchange


3

-- See Also Maternal-Fetal Exchange


Exchange of substances between the maternal blood and the fetal blood at the PLACENTA via PLACENTAL CIRCULATION. The placental barrier excludes microbial or viral transmission
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