Syncytial knots as a reflection of placental maturity: reference values for 20 to 40 weeks' gestational age.


Syncytiotrophoblastic knots or syncytial knots are aggregates of syncytial nuclei at the surface of terminal villi. In the term placenta, most syncytial knots are thought to be artifacts from tangential sectioning while the minority are syncytial sprouts, bridges, or apoptotic knots. Syncytial knots are consistently present, increasing with increasing… (More)
DOI: 10.2350/09-08-0692-OA.1

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