Delineating the anuran axial skeleton
نویسندگان
چکیده
منابع مشابه
Hox patterning of the vertebrate axial skeleton.
The axial skeleton in all vertebrates is composed of similar components that extend from anterior to posterior along the body axis: the occipital skull bones and cervical, thoracic, lumbar, sacral, and caudal vertebrae. Despite significant changes in the number and size of these elements during evolution, the basic character of these anatomical elements, as well as the order in which they appea...
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Background. We report on 19 cases of giant cell tumor of bone (GCT) affecting the spine or sacrum and evaluate the outcome of different treatment modalities. Methods. Nineteen patients with GCT of the spine (n = 6) or sacrum (n = 13) have been included in this study. The mean followup was 51.6 months. Ten sacral GCT were treated by intralesional procedures of which 4 also received embolization,...
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Analysis of the skeletal effects of thick tail (Tht), a radiation-induced mutation, has revealed numerous anomalies in the axial skeleton. The affected regions include the atlantal-occipital region as well as the lumbar (Lu) and caudal (Ca) vertebrae in which the ossified adult structures are either missing or reduced in size. Skeletons of juvenile Tht heterozygotes exhibit a malformed occipita...
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This article reviews the main trends in the evolution of the vertebrate axial skeleton, with special focus on mammals. The structure of vertebrae is exposed according to traditional and current conceptions and several examples of species-specific and topography-specific adapta tions are given. The relationships between stature and the anatomy of the bony girdles surrounding the spine are discus...
متن کاملThe role of Pax-1 in axial skeleton development.
Previous studies have identified a single amino-acid substitution in the transcriptional regulator Pax-1 as the cause of the mouse skeletal mutant undulated (un). To evaluate the role of Pax-1 in the formation of the axial skeleton we have studied Pax-1 protein expression in early sclerotome cells and during subsequent embryonic development, and we have characterized the phenotype of three diff...
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ژورنال
عنوان ژورنال: The International Journal of Developmental Biology
سال: 2021
ISSN: 0214-6282
DOI: 10.1387/ijdb.200230ss