Letter | Published:

Secretion of Magnesium and Calcium in Parotid Saliva of Sheep

Naturevolume 199pages818819 (1963) | Download Citation

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Abstract

WITH a conscious sheep, Kay1 confirmed the findings of Coats and Wright2, obtained with anæsthetized sheep, that the concentration of Na+ and K+ in parotid saliva showed a strong inverse correlation. However, neither author reported the saliva concentrations of Mg2+ and Ca2+. McDougall3 estimated the average magnesium concentration in parotid saliva of sheep as 0.6 m.equiv./l. and that of calcium as 0.4 m.equiv./l. Average values of 0.36 and 0.33 m.equiv./l. for saliva magnesium and calcium concentrations, respectively, were obtained here.

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References

  1. 1

    Kay, R. N. B., J. Physiol., 150, 515 (1960).

  2. 2

    Coats, D. A., and Wright, R. D., J. Physiol., 135, 611 (1957).

  3. 3

    McDougall, E. I., Biochem. J., 43, 99 (1948).

  4. 4

    Ash, R. W., and Kay, R. N. B., J. Physiol., 149, 43 (1959).

  5. 5

    Care, A. D., and Ross, D. B., Res. Vet. Sci., 4, 24 (1963).

  6. 6

    Care, A. D., and Ross, D. B., Proc. Nutr. Soc., 21, 10 (1962).

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Affiliations

  1. Agricultural Research Council, Institute of Animal Physiology, Babraham, Cambridge

    • A. D. CARE

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https://doi.org/10.1038/199818a0

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