Procedure Amouth And Salivary Glands

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

Nodules Sublingual Salivary Gland

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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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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