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. 2013 Dec 24;46(4):285–290. doi: 10.5115/acb.2013.46.4.285

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Copyright © 2013. Anatomy & Cell Biology

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1 — Histological sections of stem and terminal villi of preeclamptic placentas stained with hematoxylin and eosin. (A) A section of stem villus showing perivasculitis (PV) of fetal vessels. (B) A section of stem villus showing thrombosis and atheromatous plaque (AP) formation in fetal vessels. (C) A section of stem villus showing perivillous fibrin (PVF) deposition. (D) A placental section showing intervillous fibrin (IVF) deposition. (E) Avascular terminal villi of preeclampsia. (F) Placental villi showing the clusters or sprouts of syncytiotrophoblast, that is, syncytial knots (SK) (A-C, ×1,000; D-F, ×400).