Abstract
THE minor salivary glands are simple tuboalveolar glands with predominantly mucus-secreting and occasionally serous fluid-secreting acini. They are located in the submucosa of the oral cavity, nose and paranasal sinuses, pharynx, larynx, and tracheobronchial tree. Their secretory products coat, lubricate, and protect the epithelium from which they emanate. In the respiratory tract, they contribute to the mucous blanket that traps and clears exogenous particulate matter and is in equilibrium with the inspired air for exchange of heat and water vapor. In the oral cavity, the minor salivary glands contribute the bulk of the saliva not secreted at mealtime, which moistens . . .

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