Vol 58, No 1 (1999)
ORIGINAL ARTICLES
Published online: 2000-01-25
Submitted: 2012-02-06
Get Citation

Further study of the urorectal septum in staged human embryos

Kromer P
Folia Morphol 1999;58(1):53-63.
Vol 58, No 1 (1999)
ORIGINAL ARTICLES
Published online: 2000-01-25
Submitted: 2012-02-06

Abstract

Study was carried out on serial section of 45 human embryos of stages 13 to 23. The urorectal septum develops from three folds: single superior and two lateral ones. Development of the urorectal septum begins at stage 13 when the superior fold between the hindgut and allontois appears. At stage 15, all three folds unite to from complete septum, reaching the cloacal membrane and dividing the cloaca into anterior compartment, the primary urogenital sinus and the posterior compartment rectum.

Abstract

Study was carried out on serial section of 45 human embryos of stages 13 to 23. The urorectal septum develops from three folds: single superior and two lateral ones. Development of the urorectal septum begins at stage 13 when the superior fold between the hindgut and allontois appears. At stage 15, all three folds unite to from complete septum, reaching the cloacal membrane and dividing the cloaca into anterior compartment, the primary urogenital sinus and the posterior compartment rectum.
Get Citation

Keywords

Human development Embryonic period. Urogenital sinus. Urorectal septum

About this article
Title

Further study of the urorectal septum in staged human embryos

Journal

Folia Morphologica

Issue

Vol 58, No 1 (1999)

Pages

53-63

Published online

2000-01-25

Bibliographic record

Folia Morphol 1999;58(1):53-63.

Keywords

Human development Embryonic period. Urogenital sinus. Urorectal septum

Authors

Kromer P

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