Acinar Salivary Gland System

**Semantic type:** Tissue

**Definition:** The glandular portion of the salivary system whose combined secretions constitute the saliva; a clear, alkaline, somewhat viscus secretion that keeps the mouth moist and aids in swallowing and digesting food. It includes the major salivary glands - sublingual, submandibular, and parotid glands, as well as numerous minor glands.