Titlebook: Mechanisms of Systemic Regulation: Acid—Base Regulation, Ion-Transfer and Metabolism; Norbert Heisler (Lehrstuhl für Tierphysiologie) Book

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pH Homeostasis in Terrestrial Vertebrates; Ammonium Ion as a Proton Sourceand organisms of all types have evolved elaborate and metabolically costly mechanisms for its stabilization. Of necessity, those mechanisms vary widely in order to be effective in types as diverse as bacteria and mammals, living in habitats that range from aqueous to xeric and from well-aerated to a

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Renal Transport of Organic Acids and Bases in Nonmammalian Vertebratesre considered to encompass a diverse group of exogenous compounds — for example, para-aminohippurate (PAH) and phenolsulfonphthalein (PSP, phenol red) — that exist as anions at physiological pH and that apparently share a common transport system for net secretion. Because many of these compounds are

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pH Homeostasis in Terrestrial Vertebrates: A Comparison of Traditional and New Conceptste metabolism a major stimulus arose from a paper by Atkinson and Camien (1982), which by the application of stoichiometric principles led to a reconsideration of the importance of protein/amino acid catabolism and of urea synthesis in acid-base regulation. At the same time using stoichiometric prin

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Regulation of Ion and Water Transport by Hydrogen Ions in High Resistance Epitheliabalance. These epithelia have tight junctions of high electrical resistance between the outermost living cells that render the epithelium “tight” to paracellular flow of Na. or K., thus allowing vectorial transepithelial transport of these ions. The Na absorption function is carried out by granular

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Interrelationships Between Hypoxia and Thermoregulation in Vertebratesermic vertebrates (Crawshaw and Hammel 1974). Most or all thermoregulatory functions can be interpreted by single or dual set point models (Hammel et al. 1973; Barber and Crawford 1977). The outputs of the thermoregulatory center, behavioral and physiological, provide feedback control of core body t

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Sulfide Tolerance in Marine Invertebrateshich is part of the respiratory electron transport chain resulting in the inhibition of aerobic respiration (Nicholls 1975; National Research Council 1979). In addition, sulfide inhibits several other enzymes such as uricase, succinic dehydrogenase, and catalase. The inhibitory effect is partially d

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