Effects of a cationic detergent on the gills and blood chemistry of rainbow trout Salmo gairdneri
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چکیده
منابع مشابه
On the Mechanisms of Sodium Ion Transport by the Irrigated Gills of Rainbow Trout (Salmo gairdneri)
Sodium uptake by rainbow trout gills has been investigated with a small-volume system enabling rapid, successive flux measurements in different solutions. Sodium influx obeys a Michaelis-Menten type relation, with a K(m) of 0.46 mM, and uptake proceeds unimpaired in the absence of penetrating counter-ions. This suggests a coupled cation exchange. Ammonia output is about the same as the Na(+) in...
متن کاملWater flow and gas exchange at the gills of rainbow trout, Salmo gairdneri.
The Fick principle has often been used to estimate the volume flow of water per unit time over the gills of fishes. Application of the Fick principle requires accurate measurement of mean oxygen tensions in water entering and leaving the gills and of total oxygen uptake. Cannulae of various types have frequently been used to sample water entering and leaving the gills (van Dam, 1938; Holeton & ...
متن کاملThe Distribution of Blood Flow in the Gills of Fish: Application of a New Technique to Rainbow Trout (salmo Gairdneri)
Injecting vitally stained blood cells into the ventral aorta of unrestrained cannulated fish, and rapid freezing in liquid nitrogen, provided a method of investigating blood flow patterns in the gills. Rainbow trout in air-saturated water perfused an average of 58% of the secondary lamellae of the gills. Perfusion of the filamental central compartment was insignificant indicating that the effec...
متن کاملActive Chloride Transport by the Gills of Rainbow Trout (salmo Gairdneri)
Active sodium uptake from dilute media has been described extensively in a number of aquatic vertebrates, and we have some understanding of the cellular mechanisms involved (Koefoed-Johnsen & Ussing, 1958; Ussing & Windhager, 1964; Biber, Chez & Curran, 1966). While chloride transport has been neglected by comparison, chloride uptake systems are found in diverse groups of animals and deserve mo...
متن کاملLactate and Proton Dynamics in the Rainbow Trout (salmo Gairdneri)
Chronically cannulated rainbow trout were subjected to 6 min of severe burst exercise and monitored over a 12 h recovery period. There were shortlived increases in haematocrit, haemoglobin, plasma protein, Na and Cl~ levels. Plasma [Cl~] later declined below normal as organic anions accumulated. A much larger and more prolonged elevation in plasma [K] probably resulted from intracellular acidos...
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ژورنال
عنوان ژورنال: Diseases of Aquatic Organisms
سال: 1989
ISSN: 0177-5103,1616-1580
DOI: 10.3354/dao006185