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Cross-sectional anatomy, computed tomography, and magnetic resonance imaging of the banded houndshark (Triakis scyllium)

Cited 4 time in Web of Science Cited 5 time in Scopus
Authors

Kim, Sang Wha; Yuen, Adams Hei Long; Poon, Cherry Tsz Ching; Hwang, Joon Oh; Lee, Chang Jun; Oh, Moon-Kwan; Kim, Ki Tae; Kim, Hyoun Joong; Giri, Sib Sankar; Kim, Sang Guen; Kwon, Jun; Lee, Sung Bin; Choi, Min Cheol; Park, Se Chang

Issue Date
2021-12
Publisher
Nature Publishing Group
Citation
Scientific Reports, Vol.11 No.1, p. 1165
Abstract
Due to their important phylogenetic position among extant vertebrates, sharks are an invaluable group in evolutionary developmental biology studies. A thorough understanding of shark anatomy is essential to facilitate these studies and documentation of this iconic taxon. With the increasing availability of cross-sectional imaging techniques, the complicated anatomy of both cartilaginous and soft tissues can be analyzed non-invasively, quickly, and accurately. The aim of this study is to provide a detailed anatomical description of the normal banded houndshark (Triakis scyllium) using computed tomography (CT) and magnetic resonance imaging (MRI) along with cryosection images. Three banded houndsharks were scanned using a 64-detector row spiral CT scanner and a 3 T MRI scanner. All images were digitally stored and assessed using open-source Digital Imaging and Communications in Medicine viewer software in the transverse, sagittal, and dorsal dimensions. The banded houndshark cadavers were then cryosectioned at approximately 1-cm intervals. Corresponding transverse cryosection images were chosen to identify the best anatomical correlations for transverse CT and MRI images. The resulting images provided excellent detail of the major anatomical structures of the banded houndshark. The illustrations in the present study could be considered as a useful reference for interpretation of normal and pathological imaging studies of sharks.
ISSN
2045-2322
URI
https://hdl.handle.net/10371/190463
DOI
https://doi.org/10.1038/s41598-020-80823-y
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