Universität zu Köln

Khabyuk, Julia, Proels, Felicitas, Draga, Margarethe and Scaal, Martin (2022). Development of ribs and intercostal muscles in the chicken embryo. J. Anat., 241 (3). S. 831 - 846. HOBOKEN: WILEY. ISSN 1469-7580

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Abstract

In the thorax of higher vertebrates, ribs and intercostal muscles play a decisive role in stability and respiratory movements of the body wall. They are derivatives of the somites, the ribs originating in the sclerotome and the intercostal muscles originating in the myotome. During thorax development, ribs and intercostal muscles extend into the lateral plate mesoderm and eventually contact the sternum during ventral closure. Here, we give a detailed description of the morphogenesis of ribs and thoracic muscles in the chicken embryo (Gallus gallus). Using Alcian blue staining as well as Sox9 and Desmin whole-mount immunohistochemistry, we monitor synchronously the development of rib cartilage and intercostal muscle anlagen. We show that the muscle anlagen precede the rib anlagen during ventrolateral extension, which is in line with the inductive role of the myotome in rib differentiation. Our studies furthermore reveal the temporary formation of a previously unknown eighth rib in the chicken embryonic thorax.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Khabyuk, Julia UNSPECIFIED UNSPECIFIED UNSPECIFIED Proels, Felicitas UNSPECIFIED UNSPECIFIED UNSPECIFIED Draga, Margarethe UNSPECIFIED UNSPECIFIED UNSPECIFIED Scaal, Martin UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-660531
DOI:	10.1111/joa.13716
Journal or Publication Title:	J. Anat.
Volume:	241
Number:	3
Page Range:	S. 831 - 846
Date:	2022
Publisher:	WILEY
Place of Publication:	HOBOKEN
ISSN:	1469-7580
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language STERNAL COMPONENT; MYOTOME FORMATION; SONIC HEDGEHOG; THORACIC CAGE; ALCIAN BLUE; ORIGIN; EXPRESSION; PAX3; SPECIFICATION; MYOGENESIS Multiple languages Anatomy & Morphology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/66053