MECHANISMS OF ACID EXTRUSION BY TWO MARINE FISHES : THE TELEOST , OPS ANUS BETA , AND THE ELASMOBRANCH , SQUALUS ACANTHIAS

@inproceedings{Evans2005MECHANISMSOA,
  title={MECHANISMS OF ACID EXTRUSION BY TWO MARINE FISHES : THE TELEOST , OPS ANUS BETA , AND THE ELASMOBRANCH , SQUALUS ACANTHIAS},
  author={David Hugh Evans},
  year={2005}
}
1. Rates of efflux of H + and ammonia from a marine teleost and an elasmobranch were measured. 2. Hypercapnia stimulated H+ efflux from both species, stimulated ammonia efflux from the elasmobranch, and inhibited ammonia efflux from the teleost. 3. In both species the H+ and ammonia efflux were predominantly across the branchial epithelium. In Na+-free sea water, the H efflux from both species was completely abolished and the ammonia efflux was inhibited by approximately 50%. 4. Injection of an… CONTINUE READING
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