The sublingual glands of adult, male rats secreted considerable volumes of saliva in response to several cholinergic agonists, but very little in response to α-adrenergic stimuli and none in response to a β-adrenergic agonist. The types of proteins secreted were quite different from those in submandibular and parotid saliva or serum, and were largely independent of the nature of the stimulus. However, some differences in staining intensity of electrophoretic patterns occurred both between stimuli and with the same stimulus used on different rats.
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