Search Results - "Heisler, N"

Oxygen delivery to the fish eye: Root effect as crucial factor for elevated retinal P O2 by Waser, W., Heisler, N.

“…SUMMARY Although the retina has one of the highest metabolic rates among tissues,certain teleost fishes lack any vascular supply to this organ which, in…”
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Oxygen delivery to the fish eye: root effect as crucial factor for elevated retinal PO2 by Waser, W, Heisler, N

“…Although the retina has one of the highest metabolic rates among tissues, certain teleost fishes lack any vascular supply to this organ which, in combination…”
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Acid-base regulation, metabolism and energetics in sipunculus nudus as a function of ambient carbon dioxide level by PORtner, H, ReipschlAGerY, A, n

“…Changes in the rates of oxygen consumption and ammonium excretion, in intra- and extracellular acid-base status and in the rate of H+-equivalent ion transfer…”
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Oxygen delivery to the fish eye: blood flow in the pseudobranchial artery of rainbow trout (Oncorhynchus mykiss) by Waser, W.P., Heisler, N.

“…Similar to gas secretion into the swimbladder, some teleosts also exhibit ocular gas secretion to supply their thick and avascular retina with oxygen. The…”
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Changes in regional blood flow distribution and oxygen supply during hypoxia in conscious rats by Kuwahira, I, Gonzalez, N C, Heisler, N, Piiper, J

“…The effects of acute hypoxia on central hemodynamics, regional blood flow, and regional oxygen supply (blood flow x arterial O2 concentration) were studied in…”
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Effects of sulfide on K+ flux pathways in red blood cells of crucian carp and rainbow trout by Völkel, S, Berenbrink, M, Heisler, N, Nikinmaa, M

“…The effect of sulfide on K^sup +^ influx pathways was measured in red blood cells (RBCs) of sulfide-sensitive rainbow trout (Oncorhynchus mykiss) and…”
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Regional blood flow in conscious resting rats determined by microsphere distribution by Kuwahira, I, Gonzalez, N C, Heisler, N, Piiper, J

“…To determine organ blood flow in the resting state, a box was designed to keep conscious untrained rats minimally disturbed. Blood pressure, heart rate, and…”
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Role of ion transfer processes in acid-base regulation with temperature changes in fish by Heisler, N

“…The contributions of transmembrane and transepithelial ion transfer processes and of nonbicarbonate buffering to the in vivo acid-base regulation have been…”
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Intracellular and extracellular acid-base regulation in the tropical fresh-water teleost fish Synbranchus marmoratus in response to the transition from water breathing to air breathing by Heisler, N

“…In the tropical fresh water fish, Synbranchus marmoratus, transition from water breathing to air breathing, induced by reduction of oxygen partial pressure…”
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Cardio-respiratory function in carp exposed to environmental nitrite by WILLIAMS, E. M, NELSON, J. A, HEISLER, N

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Extracellular and intracellular carbon dioxide concentration as a function of temperature in the toad Bufo marinus by Stinner, J N, Newlon, D L, Heisler, N

“…Previous studies of reptiles and amphibians have shown that changing the body temperature consistently produces transient changes in the respiratory exchange…”
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Acid-base regulation and ion transfers in the carp (Cyprinus carpio): pH compensation during graded long- and short-term environmental hypercapnia, and the effect of bicarbonate infusion by CLAIBORNE, J. B, HEISLER, N

“…To study both temporal and quantitative effects of hypercapnia on the extent of pH compensation in the arterial blood, specimens of carp (Cyprinus carpio) were…”
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Buffering and H + ion dynamics in muscle tissues by Heisler, Norbert

“…After anaerobic activity with release of large quantities of intermediary metabolic end products, further energy production critically depends on rapid…”
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Combined effects of environmental Po2 and temperature on ventilation and blood gases in the carp Cyprinus carpio L by GLASS, M. L, ANDERSEN, N. A, KRUHOÊFFER, M, WILLIAMS, E. M, HEISLER, N

“…ABSTRACT The effects of changes in environmental temperature and oxygen tension on gill ventilation, arterial , pH and [HCO3−] were evaluated in carp (Cyprinus…”
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Regulation of the acid-base status during environmental hypercapnia in the marine teleost fish Conger conger by TOEWS, D. P, HOLETON, G. F, HEISLER, N

“…Specimens of Conger conger (L.) were exposed to environmental hypercapnia in a closed recirculating seawater system. Arterial plasma pH, PCO2 and bicarbonate…”
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Oxygen delivery to the fish eye: Root effect as crucial factor for elevated retinal P sub(O2) by Waser, W, Heisler, N

“…Although the retina has one of the highest metabolic rates among tissues, certain teleost fishes lack any vascular supply to this organ which, in combination…”
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Blood flow distribution in dog gastrocnemius muscle at rest and during stimulation by Piiper, J, Pendergast, D R, Marconi, C, Meyer, M, Heisler, N, Cerretelli, P

“…The distribution of blood flow within the isolated perfused dog gastrocnemius muscle (weight 100-240 g) was studied by intra-arterial injection of…”
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Blood flow in exercising muscles by xenon clearance and by microsphere trapping by Cerretelli, P, Marconi, C, Pendergast, D, Meyer, M, Heisler, N, Piiper, J

“…The accuracy of muscle blood flow measurement by the 133Xe clearance method (QXe) was assessed against direct venous outflow (Qv) and microsphere trapping flow…”
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Blood gases, and extracellular/intracellular acid-base status as a function of temperature in the anuran amphibians Xenopus laevis and Bufo marinus by BOUTILIER, R. G, GLASS, M. L, HEISLER, N

“…ABSTRACT Blood gases, and parameters of the extracellular and intracellular acid-base status, were measured in the anuran amphibians Bufo marinus and Xenopus…”
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Acid-base and electrolyte status in carp (Cyprinus carpio) exposed to low environmental pH by Ultsch, G.R, Ott, M.E, Heisler, N

“…Carp (Cyprinus carpio) were exposed to environmental water pH (pHw) step changes from 7.4 to 5.1, 5.1 to 4.0 and 4.0 to 3.5 pH, PCO2, PO2 and lactate in dorsal…”
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