... by Company of Biologists 1988 marine teleost ammonia acid-base gill ion transfer Teleost fish excrete nitrogenous waste products in the form of ammonia (NH 3 + NH 4 + ). Although it is well accepted that the gills are the major site of this excretion ( Smith, 1929 ; Evans, 1982 ; see...

... ammonia excretion ion transfer red cell pH Strenuous exercise in fish often results in an extracellular acidosis of metabolic origin ( Holeton, Neumann & Heisler, 1983 ; Turner, Wood & Clark, 1983 ). Recent studies on rainbow trout have shown that red cell pH is regulated at a constant...

.... * Present address: Department of Biology, Dalhousie University, Halifax, Nova Scotia, B3H 4J1, Canada. 01 08 1987 © 1988 by Company of Biologists 1988 acid-base regulation ammonia excretion Bufo marinus hypercapnia ion transfer pH compensation toad bladder Amphibians...

...J. B. Claiborne; Norbert Heisler ABSTRACT Acid-base balance and ion transfers were studied in the carp, Cyprinus carpio L., during and after 48 h of exposure to environmental hypercapnia ( Torr). Plasma pH, [HCO 3 − ], and net transfers of HCO 3 − , NH 4 + , Cl − and Na + between the fish...

..., University of Acadia, Wolfville, Nova Scotia, Canada. † Deceased. 11 1 1983 13 4 1983 © 1983 by Company of Biologists 1983 Hypercapnia ion transfer extracellular pH fish. The effect of hypercapnia on the acid-base status of fish has been studied in a number...

... acid, is removed from the organism and thus represents an effective regulatory mechanism for the defence of the internal milieu in fish. * Deceased. 03 06 1982 11 10 1982 © 1983 by Company of Biologists 1983 Acid-base regulation ion transfer muscular activity fish...