19 Oblique line. Linea obliqua. Oblique ridge extending from the mandibular ramus to the external surface of the body of the mandible. C
20 Digastric fossa. Fossa digastrica. A pea-to bean-sized depression on the lower internal surface of the body of the mandible near the symphysis, for attachment of the digastric muscle. D
21 Mental spine. Spina mentalis. Bony elevation at the back of the symphysis projecting toward the tongue. Origin of the genioglossus and geniohy-oid muscles. D
22 Mylohyoid line. Linea mylohyoidea. Oblique ridge extending from the posterosuperior to an-teroinferior aspect of the body of the mandible. Origin of the mylohyoid muscle. Its posterior end is the origin of the mylopharyngeal part of the superior constrictor muscle of the pharynx. D
23 [Torus mandibularis]. Bony outgrowth above the mylohyoid line at the level of the premolars. Possible hindrance to prostheses. D
24 Sublingual fovea. Fovea sublingualis. Depression for the sublingual gland on the anterior part of the mandible above the mylohyoid line. D
25 Submandibular fovea. Fovea submandibu-laris. Depression for the submandibular gland on the posterior half of the body of the mandible below the mylohyoid line. D
26 Alveolar part. Pars alveolaris. Pectinate process on the base of the mandible that houses the roots of the teeth. C
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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.