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Morphological basis for the study of the interatrial septum in the human fetus

Amaral, Hugo Becker ; Zielinsky, Paulo ; da Silveira, Aron Ferreira ; Costabeber, Ijoni ; Nicoloso, Luiz Henrique ; de Souza Filho, Olmiro Cezimbra ; Salum, Marcelo ; Manica, João Luiz ; Zanettini, Juliana Silveira ; Costabeber, Ane Micheli

Arquivos brasileiros de cardiologia, 2007-05, Vol.88 (5), p.559-564 [Periódico revisado por pares]

Brazil

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Título:
Morphological basis for the study of the interatrial septum in the human fetus
Autor: Amaral, Hugo Becker ; Zielinsky, Paulo ; da Silveira, Aron Ferreira ; Costabeber, Ijoni ; Nicoloso, Luiz Henrique ; de Souza Filho, Olmiro Cezimbra ; Salum, Marcelo ; Manica, João Luiz ; Zanettini, Juliana Silveira ; Costabeber, Ane Micheli
Assuntos: Atrial Septum - anatomy & histology ; Atrial Septum - embryology ; Fetus - anatomy & histology ; Foramen Ovale - anatomy & histology ; Foramen Ovale - embryology ; Humans
É parte de: Arquivos brasileiros de cardiologia, 2007-05, Vol.88 (5), p.559-564
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: To describe morphological features of the interatrial septum in normal fetuses, especially foramen ovale (FO) and septum primum (SP), in order to compare septum primum excursion with foramen ovale diameter. Septum primum excursion (SPE) toward the left atrium (LA) and foramen ovale diameter (FOD) were measured in the hearts of ten formaldehyde-fixed human fetuses ranging from 28 to 36 weeks of gestation. Histological sections were obtained from the foramen ovale (FO), septum primum (SP), septum secundum (SS), left atrium (LA), and right atrium (RA). FOD and SPE measurements were the following: FOD 3.1-3.5 mm and SPE 2.8-3.1 mm in three fetuses with presumed gestational age (GA) of 28 weeks; FOD 3.3-3.5 mm, and SP excursion 4.0-5.0 mm in four fetuses with presumed GA of 34 weeks, plus FOD 3.3-4.5 mm and SPE 6.0-9.0 in three fetuses with presumed GA of 36 weeks. Cardiac muscular fibers were identified in both the septum primum and secundum. Based on its muscular components, it may be suggested that SP is active in character, influencing blood flow through the FO, SP mobility, and its excursion into the LA.
Editor: Brazil
Idioma: Inglês;Português

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Morphological basis for the study of the interatrial septum in the human fetus

Amaral, Hugo Becker ; Zielinsky, Paulo ; da Silveira, Aron Ferreira ; Costabeber, Ijoni ; Nicoloso, Luiz Henrique ; de Souza Filho, Olmiro Cezimbra ; Salum, Marcelo ; Manica, João Luiz ; Zanettini, Juliana Silveira ; Costabeber, Ane Micheli

Brazil

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