Abstract
Summary
Modification of sodium and potassium levels of submaxillary and parotid, but not sublingual, glands was achieved by reduction of dietary potassium. Submaxillary gland exhibited a decrease in potassium of approximately 10 meq/kg w.w. when compared with normal animals of the same age, and parotid approximately 4 meq/kg w.w. Sodium increased in both glands (8 meq/kg w.w. for parotid; 13 for submaxillary). The major functional change observed in potassium deficiency was a marked reduction in fluid flow rate; electrolyte levels of the secretions were not influenced by changed gland levels.
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