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Vol 67, No 1 (2008)
Original article
Submitted: 2012-02-06
Published online: 2007-12-03
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Early trabeculation and closure of the interventricular foramen in staged human embryos

M. Rauhut-Klaban, M. Bruska, W. Woźniak
Folia Morphol 2008;67(1):13-18.

open access

Vol 67, No 1 (2008)
ORIGINAL ARTICLES
Submitted: 2012-02-06
Published online: 2007-12-03

Abstract

Internal differentiation of the ventricles was studied in staged serially sectioned human embryos of developmental stages 13-19 (postovulatory days 32-46). At stage 13 the trabeculation of both ventricles was advanced and the muscular part of the interventricular septum well marked. Dorsal and ventral endocardial cushions were fused and the atrioventricular canal was divided into two parts. In embryos at stage 18 the membranous interventricular septum was developing and the interventricular foramen was obliterated. At stage 19 the membranous part of the interventricular septum was becoming more cellular in structure.
(Folia Morphol 2008; 67: 13–18)

Abstract

Internal differentiation of the ventricles was studied in staged serially sectioned human embryos of developmental stages 13-19 (postovulatory days 32-46). At stage 13 the trabeculation of both ventricles was advanced and the muscular part of the interventricular septum well marked. Dorsal and ventral endocardial cushions were fused and the atrioventricular canal was divided into two parts. In embryos at stage 18 the membranous interventricular septum was developing and the interventricular foramen was obliterated. At stage 19 the membranous part of the interventricular septum was becoming more cellular in structure.
(Folia Morphol 2008; 67: 13–18)

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Keywords

human embryology; embryonic period; heart development; differentiation of ventricles

About this article
Title

Early trabeculation and closure of the interventricular foramen in staged human embryos

Journal

Folia Morphologica

Issue

Vol 67, No 1 (2008)

Article type

Original article

Pages

13-18

Published online

2007-12-03

Page views

620

Article views/downloads

1869

Bibliographic record

Folia Morphol 2008;67(1):13-18.

Keywords

human embryology
embryonic period
heart development
differentiation of ventricles

Authors

M. Rauhut-Klaban
M. Bruska
W. Woźniak

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