Analysis of single fibers isolated from a branch of the facial/trigeminal complex innervating the maxillary barbel of the channel catfish, Ictalurus punctatus, indicated the existence of bimodal (taste/tactile) fibers. Of the 60 single fibers recorded, 14 (23%) responded to both taste (amino acid) and tactile stimulation, 43 (72%) were responsive to only tactile stimulation and three (5%) responded only to taste stimulation. Quinine hydrochloride at a concentration of ≤ 1.0 mM suppressed the mechanosensory activity of the bimodal fibers, but had no effect on the tactile-only fibers.
CITATION STYLE
Ogawa, K., Marui, T., & Caprio, J. (1997). Bimodal (taste/tactile) fibers innervate the maxillary barbel in the channel catfish. Chemical Senses, 22(4), 477–482. https://doi.org/10.1093/chemse/22.4.477
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