in Figure 23.3 shows the different types. Filiform papillae contain taste buds, which are shown in the papillae have tapered points, are most numerous, circular furrow of a vallate papilla. and provide a rough texture for handling the food. Fungiform papillae (label 7) are low, rounded pro- The Salivary Glands jections scattered over the surface. Eight to twelve Saliva is secreted from three pairs of salivary large vallate papillae occur in a V-shaped pattern glandsasshownin Figure 23.4. The parotid gland Figure 23.3 Tongue anatomy. Body of the tongue Epiglottis Filiform papillae Fungiform papillae Lingual tonsil Palatine tonsil Root Taste buds Vallate papillae fi...ne 23.4 Maior salivary glands. Masseter muscle Opening of submandibular duct _ Openings of sublingual ducts Parotid duct Parotid gland Sublingual gland Submandibular duct Submandibular giand.