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Bullfrog (1mm) (R. catesbeiana)
2D CT image stack (see also 3D reconstruction) of a Bullfrog (Rana catesbeiana). Though not visible in this series there was a pattern of deformity visible on this wild caught animal that suggested "a partial failure of development of tympanic pathway tissues, but with a preservation of the opercularis pathway. While a definitive proximate cause of the condition could not be determined, the anomalies show similarities to developmental defects in mammalian middle ear formation". (related publication). Specimen courtesy of Dr. Andrea Simmons, Brown University (specimen data).