Composition of bladder urine of the coelacanth,Latimeria chalumnae

Autor:	Robert W. Griffith, Grace E. Pickford, Blake F. Grant, P. K. T. Pang, Leon Goldstein, Bruce L. Umminger
Rok vydání:	1976
Předmět:	medicine.medical_specialty Creatinine Glucuronate Bicarbonate Sodium chemistry.chemical_element General Medicine Urine Calcium Biology chemistry.chemical_compound Blood serum Endocrinology chemistry Internal medicine medicine Urea Animal Science and Zoology
Zdroj:	Journal of Experimental Zoology. 196:371-380
ISSN:	1097-010X 0022-104X
Popis:	Major inorganic electrolytes and organic solutes were measured in urine obtained from the bladder of a live specimen of the coelacanth, Latimeria chalumnae, and the results were compared with data on blood serum from the same fish. Osmolarity is essentially identical in the two fluids. Magnesium, phosphate, sulfate, creatine, creatinine and glucuronate are highly concentrated in the urine whereas chloride, bicarbonate, protein and glucose are much lower in urine than in serum. There are moderately higher levels of potassium, total amino acids and total carbohydrates and somewhat lower concentrations of sodium, trimethylamine oxide and lactate in urine than in serum. Total calcium levels in urine are considerably lower than serum total calcium, but are slightly higher than the dialyzable calcium fraction of serum. Urea levels in urine and serum are identical.
Databáze:	OpenAIRE
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