Kinesiology 3222A/B Lecture Notes - Lecture 13: Lingual Papilla, Frenulum Of Tongue, Lingual Tonsils
28 Mar 2017
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Frenulum - connective tissue to lips and tongue. Saliva - solvent: digests starch o o. Confined to tongue: not attached to bone o. Extend to tongue from origin on bone: alter tongue"s position (protrusion, retraction, side-to-side) Teeth: division of tongue between oral cavity and oral pharynx o. Pulp cavity - contains blood and nerve supply. Enamel - hardest substance in the body. Dentin - hard connective tissue connected through tubules to pulp cavity. Connective tissue: attaches to dentin and periodontal ligament. Glands inside and outside of oral cavity. Cleanses mouth: dissolves food chemicals for taste, moistens food o. Three pairs of extrinsic glands o o. Largest: anterior to ear o o o. Stimulated by post-ganglionic pns fibres from cn ix. Submandibular gland: along medial aspect of body of mandible o o. Submandibular duct opens at base of lingual frenulum. Sublingual gland: anterior to submandibular gland o. Beneath tongue: opens via 10-12 ducts into floor of mouth o.
