Abstract
THE injection of adrenaline into sheep anæsthetized with chloralose causes a rapid secretion of parotid saliva1. This is a reflex effect and appears to be due largely to stimulation of receptors in the forestomach. Parotid secretion is also increased by mechanical stimulation of the forestomach and in conscious sheep this stimulation may cause rumination2. Thus it seemed of interest to find whether adrenaline would cause the conscious sheep to ruminate, and observations on this subject are summarized here.
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References
Kay, R. N. B., J. Physiol., 144, 476 (1958).
Ash, R. W., and Kay, R. N. B., J. Physiol., 139, 23P (1957).
Duncan, D. L., J. Physiol., 125, 475 (1954).
Weil-Malherbe, H., and Bone, A. D., Biochem. J., 67, 65 (1957).
Loewenstein, W. R., J. Physiol., 132, 40 (1956).
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KAY, R. Rumination in Sheep caused by Injection of Adrenaline. Nature 183, 552–553 (1959). https://doi.org/10.1038/183552a0
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DOI: https://doi.org/10.1038/183552a0
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