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Fetus and Placenta (Placenta (Abnormalities (Placenta previa(前置胎盤),,…
Fetus and Placenta
Placenta
Functions
Circulation
Abnormalities
Placenta previa(前置胎盤),
placenta accreta(植入胎盤)
placenta percreta(穿刺胎盤)
Chorionic & decidual plates
fetal portion
the chorion frondosum
Chorionic plate
maternal portion
the decidua basalis
Decidualplate
Extraembryonic Tissue
Amnion
first phase
secondary phase
from fetal urine