Actions for The Intestinal Absorption of P32HNa2 in Rutilus Rutilus L., as a Function of the Total Phosphatemia; L'ABSORPTION INTESTINALE DE P32O4H2Na CHEZ RUTILUS RUTILUS L. EN FONCTION DE LA QUANTITE DE PHOSPHATE DU SANG

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The Intestinal Absorption of P32HNa2 in Rutilus Rutilus L., as a Function of the Total Phosphatemia; L'ABSORPTION INTESTINALE DE P32O4H2Na CHEZ RUTILUS RUTILUS L. EN FONCTION DE LA QUANTITE DE PHOSPHATE DU SANG

Author
Kudriavtzev, A. A.
Published
[Place of publication not identified] : [publisher not identified], 1959.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1959.
Physical Description
microopaque : positive ; 8 x 13 cm
Additional Creators
Pora, E. A.

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Summary
The intestinal absorption of phosphates in higher animals is inhibited by an increase in the total phosphatemia. This was investigated on roach (Rutilus rutilus L.) caught in the lakes around Moscow during November and December of 1957. It was shown that the phosphates dissolved in the external medium reach the bloodstream of the fish through its branchiae. They accumulate in the organs only in very small quantities and are excreted almost entirely by the kidneys. The phosphates contained in the food are absorbed by the intestines. They accumulate in the liver, encephalon, and muscles. lf the amount absorbed is large as compared to that which is so accumulated, the phosphates also are excreted by the kidneys. When a large amount of phosphates is supplied in the food, in addition to those absorbed from the external medium through the branchiae, the absorption and accumulation of the former will be reduced. If the accumulation of phosphates following branchial absorption be rated as 1, the deposition following intestinal absorption would be rated at about 50 and that noted for simultaneous branchial and intestinal absorption would be about 10. Thus it is that an increase in the phosphatemia inhibits the absorption and accumulation in the body organs of the phosphates present in the food. Even if it is absorbed, this phosphate is excreted by the kidneys in large amounts, showing that it can be transformed into an organic form which is systemically useful. (auth)
Report Numbers
A/CONF.15/P/1291
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
NSA number: NSA-13-006170
OSTI Identifier 4293079
Research organization: Univ. of Cluj.
Research organization: Veterinary Research Inst., Moscow.
View MARC record | catkey: 38046066