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Chapter 5 - Oral
Chapter 5 - Digestive system Oral Cavity
Term | Definition |
---|---|
Cheeks | Form the walls of the oval shaped oral cavity |
Lips | Surround the oral opening of the oral cavity |
Hard Palate | Forms the anterior portion of the roof of the mouth |
Soft Palate | Lies posterior to the hard palate, muscular. |
Rugae | Irregular ridges in the mucous membrane covering the anterior portion of the hard palate. |
Uvula | Small soft tissue projection hangs from the soft plate ( helps with sound and speech) |
Tongue | Extends across the floor of the oral cavity and muscle attach it to the lower jaw bone |
Mastication | Chewing |
Deglutition | Swallowing |
Papillae | Small raised areas on the tongue, contain taste buds that are sensitive to the chemical nature of foods. |
Tonsils | Masses of lymphatic tissue located in the depression of the mucous membrane lie on both side of the oropharynx |
Gums | Flesh surrounding the sockets of the teeth |
What does a tooth contain? | Crown, root enamel, dentin, cementum, periodontal membrane and pulp. |