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  • Title: Effects of secretory nerve stimulation on the movement of rat parotid amylase into the circulation.
    Author: Proctor GB, Asking B, Garrett JR.
    Journal: Arch Oral Biol; 1989; 34(8):609-13. PubMed ID: 2480775.
    Abstract:
    Stimulation of the nerves to the rat parotid gland demonstrated that increases in serum amylase levels can originate exclusively from this gland. However, whilst parasympathetic nerve stimulation caused a significant movement of parotid amylase into the blood, sympathetic nerve stimulation did not, despite the higher concentration of amylase in the saliva evoked. Experiments in which conscious animals were fed for a short period showed that parotid amylase reaches the blood during normal activity. The mechanisms underlying the movement of parotid amylase into the circulation are still unknown but there appears to be some dependence on the volume of saliva being produced.
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