12 Cheek. Bucca. Lateral wall of vestibule of mouth. A
13 Buccal fat pad. Corpus adiposum buccae. [[ Bichat]]. Encapsulated body of fat between the buccinator and masseter muscles. A
14 Oral cavity proper. Cavitas oris propria. True oral cavity enclosed anteriorly and laterally by the teeth and extending as far as the isthmus of fauces (oropharyngeal isthmus). C
15 Palate. Palatum. Partition between oral and nasal cavities.
16 Hard palate. Palatum durum. Hard, bony part of the palate. C D
17 Soft palate. Palatum molle (velum palatinum). Soft, posterior part of the palate. C D
18 Palatine raphe. Raphe palati. Median mucosal ridge at the junction of the right and left bony palatal processes. D
19 Oral mucosa. Tunica mucosa oris. Mucous membrane of oral cavity consisting of stratified, nonkeratinized squamous epithelium throughout and underlying mixed glands.
20 Frenulum of upper lip. Frenulum labii super-ioris. Median mucosal fold between the gums and upper lip. B
21 Frenulum of lower lip. Frenulum labii inferi-oris. Median mucosal fold between the gums and lower lip. B
22 Gums. Gingivae. Mucous membrane united firmly with the teeth and jaw bones. B D
23 Gingival (gum) margin. Margo gingivalis. B D
24 Gingival (interdental) papilla. Papilla gingivalis (interdentalis). B D
25 Gingival sulcus. Sulcus gingivalis. Shallow furrow between the gum margin and the tooth. Its deepening leads to cavity formation. See p. 113. A
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.