Salivary gland anatomy. Artwork of a median sagittal section through the oral cavity forming the human mouth, showing some of the salivary glands. These include the sublingual (below the tongue, lower centre, dark pink) and parotid salivary glands (upper right, pink, below and near the ear). These glands secrete saliva into the mouth, aiding in digestion. The salivary gland ducts are shown, as are the teeth and parts of the jaw bones (yellow), and the muscles (red) and fat (yellow) of the chin and upper lip.
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