Seasonal variations in urinary calcium and sodium excretion. 1982

R K Marya, and S Sood, and A K Sood, and B K Maini

Serum levels and urinary excretion of calcium, sodium and creatinine have been studied in 25 male subjects in summer and winter seasons. In contrast to the reports from the West, urinary calcium excretion was significantly less in summer than in winter. Urinary sodium excretion too was decreased in summer. The mechanisms possibly responsible for the observed seasonal variations have been discussed.

UI MeSH Term Description Entries
D008297 Male Males
D009318 Natriuresis Sodium excretion by URINATION. Natriureses
D002118 Calcium A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D003401 Creatine An amino acid that occurs in vertebrate tissues and in urine. In muscle tissue, creatine generally occurs as phosphocreatine. Creatine is excreted as CREATININE in the urine.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012621 Seasons Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Seasonal Variation,Season,Seasonal Variations,Variation, Seasonal,Variations, Seasonal

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