1. Review textbook sections on the mouth and salivary glands.
2. As a review activity, label figures 49.1, 49.2, and 49 3.
3. Examine the mouth of the torso, the sagittal head section model, and a skull. Locate the following structures:
oral cavity vestibule tongue frenulum (lingual) papillae lingual tonsils palate hard palate soft palate uvula palatine tonsils pharyngeal tonsils (adenoids) gums (gingivae) teeth incisors cuspids bicuspids molars
4. Examine a sectioned tooth and a tooth model. Locate the following features:
crown enamel dentin
neck root pulp cavity cementum root canal
5. Observe the head of the torso, and locate the following:
parotid salivary gland parotid duct (Stensen's duct) submandibular salivary gland submandibular duct (Wharton's duct) sublingual salivary gland
6. Examine a microscopic section of a parotid gland, using low-and high-power magnification. Note the numerous glandular cells arranged in clusters around small ducts. Also note a larger secretory duct surrounded by lightly stained cuboidal epithelial cells (fig. 49.4).
7. Complete Part A of Laboratory Report 49.
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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.