ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTA

Fibrinoid material from human placental villi was studied by electron microscopy. Four constituents were identified in the fibrinoid substance: a homogeneous, amorphous matrix; microfibrils; cellular debris and calcified corpuscles. Microfibrils, showing no periodicity, were very abundant and irregu...

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Autores principales:	Sala,Miguel A., Matheus,Maria, Valeri,Victório, Lopes,Ruberval A.
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 1997
Materias:	Ultrastructure Full-term placenta Villous fibrinoid Human placenta
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-98681997000100011
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spelling	oai:scielo:S0716-986819970001000112001-11-06ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTASala,Miguel A.Matheus,MariaValeri,VictórioLopes,Ruberval A. Ultrastructure Full-term placenta Villous fibrinoid Human placenta Fibrinoid material from human placental villi was studied by electron microscopy. Four constituents were identified in the fibrinoid substance: a homogeneous, amorphous matrix; microfibrils; cellular debris and calcified corpuscles. Microfibrils, showing no periodicity, were very abundant and irregularly arranged. Cellular debris derive, probably, from degenerated syncytiotrophoblast, whereas the calcified corpuscles are similar to the Michaelis-Gutmann bodies. The present results suggest that fibrinoid material derives from both degeneration of the syncytiotrophoblast and synthesis by the residual Langhans cells and X-cellsinfo:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaRevista chilena de anatomía v.15 n.1 19971997-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-98681997000100011en10.4067/S0716-98681997000100011
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Ultrastructure Full-term placenta Villous fibrinoid Human placenta
spellingShingle	Ultrastructure Full-term placenta Villous fibrinoid Human placenta Sala,Miguel A. Matheus,Maria Valeri,Victório Lopes,Ruberval A. ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTA
description	Fibrinoid material from human placental villi was studied by electron microscopy. Four constituents were identified in the fibrinoid substance: a homogeneous, amorphous matrix; microfibrils; cellular debris and calcified corpuscles. Microfibrils, showing no periodicity, were very abundant and irregularly arranged. Cellular debris derive, probably, from degenerated syncytiotrophoblast, whereas the calcified corpuscles are similar to the Michaelis-Gutmann bodies. The present results suggest that fibrinoid material derives from both degeneration of the syncytiotrophoblast and synthesis by the residual Langhans cells and X-cells
author	Sala,Miguel A. Matheus,Maria Valeri,Victório Lopes,Ruberval A.
author_facet	Sala,Miguel A. Matheus,Maria Valeri,Victório Lopes,Ruberval A.
author_sort	Sala,Miguel A.
title	ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTA
title_short	ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTA
title_full	ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTA
title_fullStr	ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTA
title_full_unstemmed	ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTA
title_sort	ultrastructure of the villous fibrinoid in the human full-term placenta
publisher	Sociedad Chilena de Anatomía
publishDate	1997
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-98681997000100011
work_keys_str_mv	AT salamiguela ultrastructureofthevillousfibrinoidinthehumanfulltermplacenta AT matheusmaria ultrastructureofthevillousfibrinoidinthehumanfulltermplacenta AT valerivictorio ultrastructureofthevillousfibrinoidinthehumanfulltermplacenta AT lopesrubervala ultrastructureofthevillousfibrinoidinthehumanfulltermplacenta
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ULTRASTRUCTURE OF THE VILLOUS FIBRINOID IN THE HUMAN FULL-TERM PLACENTA

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