Sensitivity to thermal stimulation in prairie rattlesnakes (Crotalus viridis) after bilateral anesthetization of the facial pits |
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| Authors: | D Chiszar D Dickman J Colton |
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| Affiliation: | 1. Department of Biochemistry, College of Medicine, The Catholic University of Korea, Seoul 137-701, South Korea;2. Institute for Aging and Metabolic Diseases, College of Medicine, The Catholic University of Korea, Seoul 137-701, South Korea;3. School of Biological Sciences and Institute of Molecular Biology and Genetics, Seoul National University, Seoul 151-742, South Korea;1. Department of Pulmonary Medicine, Anhui Geriatric Institute, The First Affiliated Hospital of Anhui Medical University, Jixi Road 218, Hefei 230022, Anhui, PR China;2. Department of Respiratory Medicine, Anhui Chest Hospital, Jixi Road 397, Hefei 230022, Anhui, PR China;3. Department of Pulmonary, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai 200030, PR China;1. Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA |
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| Abstract: | Six yearling prairie rattlesnakes (Crotalus viridis) were exposed to thermal stimuli prior to and after bilateral anesthetization of their facial pits with 2% xylocaine solution. This treatment eliminates trigeminally mediated electrophysiological responses of the pits to thermal stimulation. Nevertheless, the rattlesnakes continued to exhibit behavioral responses to thermal cues after anesthetization of the pits. An auxiliary infrared-sensitive system, nociceptors, or the common temperature sense could be responsible for these findings. |
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