ORAL CAVITY-ANATOMY AND PHYSIOLOGY-LESSON 56
ORAL CAVITY: Anatomy and physiology of GI tract starts from mouth. Mouth is also called oral cavity. Oral cavity consists of 1. Lips 2. Teeth 3. Tongue 4. Hard palate 5. Soft palate 6. Cheeks 7. Uvula 8. Tonsils 9. Gums CHEEKS AND LIPS: The cheeks form the walls of the oval-shaped oral cavity, and the lips surround the opening to the cavity. HARD PALATE: The hard palate forms the anterior portion of the roof of the mouth. Rugae are irregular ridges in the mucous membrane covering the anterior portion of the hard palate. SOFT PALATE: The soft palate is posterior to the hard palate, which is muscular in structure. Uvula is a small and soft tissue hanging from the soft palate. Uvula means little grape. Uvula is helping in producing sounds and speech. TONGUE: In the oral cavity tongue extends across the floor of the oral cavity. It attaches in the mouth by muscles to the lower jaw. Tongue moves food around when chewing and swallowing....