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21 Root of tooth. Radix dentis. Portion of the tooth covered by cementum. E

22 Apex of root of tooth. Apex radicis dentis. E

23 Clinical root. Radix clinica. Portion ofthe tooth situated below the gum. C

24 Occlusal (masticatory) surface. Facies oc-clusalis (masticatoria) dentis. B E

25 Vestibular (facial) surface. Facies vestibularis (facilis) dentis. Tooth surface facing the vestibule. D G

25 a Buccal surface. Facies buccalis dentis. Tooth surface facing the cheek.

25 b Labial surface. Facies labialis dentis. Tooth surface facing the lips.

26 Lingual and palatine surfaces. Facies lingualis/ palatalis dentis. Tooth surfaces facing the tongue and palate, respectively. A G

27 Approximal surface. Facies approximalis. Tooth surface facing the adjacent tooth. G

28 Mesial surface. Facies mesialis. Vertical contact surface of a tooth turned away from the last molar. G

29 Distal surface. Facies distalis. Vertical contact surface of a tooth facing away from the first incisor. G

29 a Contingent area. Area contingens. Direct contact surface of adjacent teeth.

30 Cingulum. Ridge near the neck of a tooth connecting both marginal crests at the lingual surface of incisor and canine teeth. A

31 Marginal crest. Crista marginalis. Lateral marginal ridge on the lingual surface of the incisor and canine teeth which goes over into the cingulum at the neck region. A

32 Incisal margin. Margo incisalis. Occlusal edge of incisor and canine teeth. A

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Essentials of Human Physiology

Essentials of Human Physiology

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.

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