Fluid secretion rates from mouse and rat parotid glands are markedly different following pilocarpine stimulation |
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| Authors: | Y Marmary P C Fox B J Baum |
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| Institution: | Clinical Investigations and Patient Care Branch, National Institute of Dental Research, Bethesda, MD 20892. |
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| Abstract: | 1. Parotid saliva production in two commonly employed laboratory animals, mouse and rat, was studied following pilocarpine stimulation. 2. When normalized to body wt, average parotid saliva output rates in mice were 3-4-fold greater than those observed in rats. When parotid salivary flow rates were normalized to gland weight, mice still displayed 2-3-fold higher values than rats. 3. The Na+ and K+ content of parotid saliva showed small differences between the two species, while saliva from rats contained 3-fold higher protein levels than observed with mice. |
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