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Lingual papillae (singular papilla) are the small, nipple or hairâlike structures on the upper surface of the tongue that give the tongue its characteristic rough texture.hey are found on the upper surface of the tongue, scattered amongst the filiform papillae but are mostly present on the tip and sides of the tongue. They have taste buds on their upper surface which can distinguish the five tastes: sweet, sour, bitter, salty, and umami. They have a core of connective tissue.
The tongue is a highly manipulative, muscular structure used to aid ingestion, with an attachment deep in the throat. Palates. The hard palate makes up the anterior part of the roof of the mouth. Made of bone and covered with folds of mucus membrane, the hard palate separates the oral cavity from the nasal cavities. The surface of the soft palate is a posterior continuation of the mucous membrane, but it contains no bone. Unerupted teeth. Visible here are the beginning of the pig's tusks and the unerupted teeth. Pharynx. The pharynx is the region encompassing the base of the tongue and the junction of the passageways for food (esophagus) and air (trachea). Note the epiglottis (small flap of tissue at rear of pharynx) visible in this picture.