pachyostosis


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pachyostosis

[‚ak·ō·′stō·səs]
(vertebrate zoology)
A bony thickening of vertebrae and ribs.
References in periodicals archive ?
Several small forms from China, like Keichousaurus hui Young 1958, Dianopachysaurus dingi Liu, Rieppel, Jiang, Aitchinson, Motani, Zhang, Zhou and Sun 2011, and Qianxisaurus chajiangensis Cheng, Wu, Sato and Shan 2012, present zygapophyseal pachyostosis, like the European pachypleurosaurs (Lin and Rieppel, 1998; Liu et al.