The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Studies of Ammonia in the Rainbow Trout Physico-Chemical Parameters, Acid-Base Behaviour and Respiratory Clearance
Abstract
Ammonia (NH3) is only slightly more soluble (+3·4%) in the plasma of rainbow trout than in water, and its pK′ is only 0·14 units higher than in fresh water at 15 °C. Determination of these physico-chemical parameters together with measurements of blood and water pH and total ammonia concentrations allowed calculation of the mean resting partial pressure gradient across the gills (54 × 10−s6Torr) and estimation of the gill permeability coefficient (D = 1·3 × 10−5cm−1). Under normal resting conditions of low external NH3 and pH, diffusive movement of NH3 appears to account adequately for ammonia excretion in the rainbow trout; 90 ± 10% of the excreted ammonia appears to originate from the blood, rather than from de novo synthesis of ammonia in the gills. During the high external ammonia treatments, the fish reached a steady state with a net inward ammonia gradient, which could be accounted for by a counter-balancing Na+/NH4+ exchange. Ammonium salt infusions or injections which stimulate Na+ influx are not sufficient demonstrations of Na+/NH4+ exchange, since acidosis is produced, and alternate interpretations of the Na+ flux stimulation are possible, such as enhanced Na+/H+ exchange.
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Cites
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The Dimensions of Fish Gills in Relation to Their Function
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THE EXCRETION OF AMMONIA AND UREA BY THE GILLS OF FISH
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SOME ASPECTS OF CELL PERMEABILITY TO WEAK ELECTROLYTES
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Cited by
A new paradigm for ammonia excretion in aquatic animals: role of Rhesus(Rh) glycoproteins
Wright, P. A., & Wood, C. M. (2009) · Journal of Experimental Biology · doi:10.1242/jeb.023085 · Cited by 388
Ammonia toxicity, tolerance, and excretion
Ip, Y. K., Chew, S. F., & Randall, D. J. (2001) · Fish Physiology · doi:10.1016/s1546-5098(01)20005-3 · Cited by 360
Mechanisms of Ammonia Excretion Across Fish Gills
Wilkie, M. P. (1997) · Comparative Biochemistry and Physiology Part A: Physiology · doi:10.1016/s0300-9629(96)00407-0 · Cited by 260
Ammonia excretion in aquatic and terrestrial crabs
Weihrauch, D., Morris, S., & Towle, D. W. (2004) · Journal of Experimental Biology · doi:10.1242/jeb.01308 · Cited by 255
Litwiller, S. L., O'Donnell, M. J., & Wright, P. A. (2006) · Journal of Experimental Biology · doi:10.1242/jeb.02197 · Cited by 54
Metadata
- Authors
- Cameron, J. N., & Heisler, N.
- Venue
- Journal of Experimental Biology
- Publisher
- The Company of Biologists
- Published
- 1983-07-01
- Volume
- 105
- Issue
- 1
- Pages
- 107-125
- ISSN
- 0022-0949 (ISSN-L)
- 1477-9145
- OpenAlex
- W2188986713
- Cited by
- 264
- References
- 12
- FWCI
- 15.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cameron, J. N., & Heisler, N. (1983). Studies of Ammonia in the Rainbow Trout Physico-Chemical Parameters, Acid-Base Behaviour and Respiratory Clearance. Journal of Experimental Biology. https://doi.org/10.1242/jeb.105.1.107
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
