Cardiovascular and respiratory reflexes in the tropical fish, traira (Hoplias malabaricus): CO2/pH chemoresponses.

@article{Reid2000CardiovascularAR,
  title={Cardiovascular and respiratory reflexes in the tropical fish, traira (Hoplias malabaricus): CO2/pH chemoresponses.},
  author={Stephen G. Reid and Lena Sundin and Ana L{\'u}cia Kalinin and Francisco T Rantin and William K Milsom},
  journal={Respiration physiology},
  year={2000},
  volume={120 1},
  pages={47-59}
}
To examine the distribution and physiological role of CO2/pH-sensitive chemoreceptors in the gills of the tropical fish, traira (Hoplias malabaricus), fish were exposed to acute environmental hypercarbia (1.25, 2.5 and 5.0% CO2 in air) and subjected to injections of HCl into the ventral aorta and buccal cavity. This was done before and after selective denervation of branchial branches of the IXth and Xth cranial nerves to various gills arches. Hypercarbia produced a significant decrease in… CONTINUE READING

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