BO VEISLAND / SCIENCE PHOTO LIBRARY BO VEISLAND / SCIENCE PHOTO LIBRARY
Salivary gland anatomy. Artwork of a sectioned salivary gland, showing its acinar structure where salivary fluids are secreted in lobes (three shown) and channelled to a central duct to be released into the mouth (top). Saliva contains enzymes that aid the digestion of food.
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