Sunday, October 28, 2018

Placenta

Chorioamnionitis

Villous tree branching from chorionic plate (right)
The chorionic plate (also called the fetal surface) is a thick layer of chorionic where the stem villi originate. Here the chorionic plate is also seem to be inflamed.
Neutrophils, lymphocytes and plasma cells




Pre eclampsia

Predominance of stem villi; majority of tertiary villi have syncytial knots

Congested stem villi

Fibrinous exudates

Calcification (blue)
Focal necrosis and fibrinous exudate

 Monochorionic diamniotic placenta



Section from the junction of two membranes; note two layers of amnion and no chorion in between

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