Difference between revisions of "Placenta"

Placenta (view source)

200 bytes added , 15:09, 12 January 2011

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 ===Microscopic===
 Features:
-*Loss of intervillous space.<ref name=Ref_WMSP465>{{Ref WMSP|465}}</ref>
+#Necrosis of villi; hyaline material (acellular eosinophilic material) replaces the stroma of the villi.
-**Villi appear to be crowded.<ref>{{Ref PBoD|1109}}</ref>
+#Loss of intervillous space.<ref name=Ref_WMSP465>{{Ref WMSP|465}}</ref>
-*Prominent syncytial knots.
+#*Villi appear to be crowded.<ref>{{Ref PBoD|1109}}</ref>
-*Thickened trophoblastic basement membrance (below [[cytotrophoblast]]s).
+#**Normal spacing is ~1x smallest villus or larger.
-*+/-Acute atherosis (vaguely like [[atherosclerosis]]).
+#Prominent syncytial knots.
-**Fibrioid necrosis.
+#Thickened trophoblastic basement membrance (below [[cytotrophoblast]]s).
-**Vessel wall lipid deposition.
+#+/-Changes seen in decidual vasculopathy:
+#*Acute atherosis (vaguely like [[atherosclerosis]]).
+#**Fibrioid necrosis.
+#**Vessel wall lipid deposition.
 Images: