Embryology of the midgut

In most textbooks of embryology and pediatric surgery, the puzzling spectrum of midgut “malrotations” is explained by an “impaired” process of rotation of the midgut. However, this “process of rotation” is explained in a rather schematic way and aims more to explain pathologic findings whereas detai...

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Bibliographic Details
Published in:Seminars in pediatric surgery 2011-08, Vol.20 (3), p.145-151
Main Authors: Metzger, Roman, MD, PhD, Metzger, Ulrike, MD, Fiegel, Henning C., MD, PhD, Kluth, Dietrich, MD, PhD
Format: Article
Language:English
Subjects:
Abdominal Cavity - embryology
Animals
Intestines - abnormalities
Intestines - embryology
Intestines - surgery
Malrotation
Microscopy, Electron, Scanning
Microsurgery
Midgut
Pediatrics
Rats
Rotation
Scanning electron microscopic (SEM)
Surgery
Umbilical Cord - embryology
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Summary:In most textbooks of embryology and pediatric surgery, the puzzling spectrum of midgut “malrotations” is explained by an “impaired” process of rotation of the midgut. However, this “process of rotation” is explained in a rather schematic way and aims more to explain pathologic findings whereas detailed embryologic investigations are still rare in this field. Good animal models which would allow the comparison of normal and abnormal midgut development are missing. In this paper we describe the development of the midgut in form of an atlas. Scanning electron microscopy is used in rat embryos to illustrate the crucial embryologic processes of midgut development. The main result shown in these illustrations is that clear signs of a process of rotation are missing.
ISSN:1055-8586
1532-9453
DOI:10.1053/j.sempedsurg.2011.03.005