H+ excretion in the marine teleost Parophrys vetulus

This study examined the branchial, renal and blood acid-base responses of a marine teleost to intravascular infusion of mineral acid (HCl at 1000 mu-equiv/kg). In all animals the renal response was insignificant for at least 3 days following infusion. Two types of branchial and blood acid-base respo...

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Veröffentlicht in:Journal of experimental biology 1982-06, Vol.98 (1), p.403-414
Hauptverfasser: McDonald, D.G, Walker, R.L, Wilkes, P.R.H, Wood, C.M
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creator McDonald, D.G
Walker, R.L
Wilkes, P.R.H
Wood, C.M
description This study examined the branchial, renal and blood acid-base responses of a marine teleost to intravascular infusion of mineral acid (HCl at 1000 mu-equiv/kg). In all animals the renal response was insignificant for at least 3 days following infusion. Two types of branchial and blood acid-base response were seen. Either the infused load disappeared rapidly from the extracellular into the intracellular compartment and was slowly cleared from the body (+ 16 h following infusion) or, more commonly, remained in the extracellular compartment until rapidly cleared by a pronounced increase in branchial excretion. In the latter the amount excreted exceeded that infused by about twofold on average. These responses are discussed in relation to those of freshwater teleosts.
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source MEDLINE; EZB-FREE-00999 freely available EZB journals; Company of Biologists
subjects Acid-Base Equilibrium
Ammonia - metabolism
Animals
Biological Transport
Fishes - blood
Fishes - physiology
hydrogen
Hydrogen-Ion Concentration
Kidney - physiology
Protons
title H+ excretion in the marine teleost Parophrys vetulus
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