Olfactory and solitary chemosensory cells: two different chemosensory systems in the nasal cavity of the American alligator, <Emphasis Type="Italic">Alligator mississippiensis</Emphasis> |
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Authors: | Anne Hansen |
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Institution: | (1) Department of Cell and Developmental Biology, Rocky Mountain Taste and Smell Center, University of Colorado Health Sciences Center, Anschutz Medical Campus, Mail Stop 8108, PO Box 6511, 80045 Aurora, CO, USA |
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Abstract: | Background The nasal cavity of all vertebrates houses multiple chemosensors, either innervated by the Ist (olfactory) or the Vth (trigeminal)
cranial nerve. Various types of receptor cells are present, either segregated in different compartments (e.g. in rodents)
or mingled in one epithelium (e.g. fish). In addition, solitary chemosensory cells have been reported for several species.
Alligators which seek their prey both above and under water have only one nasal compartment. Information about their olfactory
epithelium is limited. Since alligators seem to detect both volatile and water-soluble odour cues, I tested whether different
sensory cell types are present in the olfactory epithelium. |
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Keywords: | |
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