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Ch 10
| Question | Answer |
|---|---|
| Ala (AY-lah) | Winglike tip of the outer side of each nostril (plural: alae). |
| Angle of the mandible | Lower posterior of the ramus. |
| Angular cheilitis | Inflammation at the corners of the mouth that may be caused by nutritional deficiency of B-complex vitamins, but most commonly is a fungal condition. |
| Anterior faucial pillar | Anterior arch of the soft palate. |
| Anterior naris (NAY-ris) | Nostril (plural: nares). |
| Buccal vestibule | Area between the cheeks and the teeth or alveolar ridge. |
| Canthus (KAN-thus) | Fold of tissue at the corner of the eyelids. |
| Filiform papillae | Threadlike elevations that cover most of the tongue. |
| Fordyce's spots (FOR-dise-ez) | Normal variations that may appear on the buccal mucosa. |
| Frenum (FRE-num) | Band of tissue that passes from the facial oral mucosa at the midline of the arch to the midline of the inner surface of the lip (also called frenulum). |
| Fungiform papillae | Knoblike projections on the tongue. |
| Gingiva (JIN-ji-vuh) | Masticatory mucosa that covers the alveolar processes of the jaws and surrounds the necks of the teeth (plural: gingivae). |
| Glabella (glah-BEL-uh) | Smooth surface of the frontal bone; also, the anatomical part directly above the root of the nose. |
| Incisive papilla | Pear-shaped pad of tissue that covers the incisive foramen. |
| Isthmus of fauces | Opening between the two arches of the soft palate. |
| Labia | Gateway to the oral cavity; commonly known as "lips". |
| Labial commissure (LAY-bee-ul) | The angle at the corner of the mouth where the upper and lower lips join. |
| Labial frenum | Band of tissue that passes from the facial oral mucosa at the midline of the arch to the midline of the inner surface of the lip. |
| Linea alba | Normal variation noted on the buccal mucosa. |
| Lingual frenum | Thin fold of mucous membrane that extends from the floor of the mouth to the underside of the tongue. |
| Mental protuberance | Part of the mandible that forms the chin. |
| Mucobuccal fold | Base of the vestibule where the buccal mucosa meets the alveolar mucosa. |
| Mucogingival junction | Distinct line of color change in the mucosa where the alveolar membrane meets with attached gingiva. |
| Nasion (NAY-ze-on) | Midpoint between the eyes just below the eyebrows. |
| Nasolabial sulcus | Groove extending upward between the labial commissure and the nasal ala. |
| Oral cavity proper | Space on the tongue side within the upper and lower dental arches. |
| Parotid papilla | Small elevation of tissue located on the inner surface of the cheek. |
| Philtrum (FIL-trum) | Rectangular area from under the nose to the midline of the upper lip. |
| Posterior faucial pillar | Posterior arch of the soft palate. |
| Root (facial landmark) | Commonly called the "bridge" of the nose. |
| Septum (SEP-tum) | 1. Dental dam material located between holes of the punched dam; 2. Tissue that divides the nasal cavity into two nasal fossae. |
| Tragus (TRAY-gus) | Cartilaginous projection anterior to the external opening of the ear. |
| Uvula | Pear-shaped projection at the end of the soft palate. |
| Vallate papillae | Largest papillae on the tongue, arranged in the form of a V. |
| Vermilion border (vur-MIL-yun) | Darker-colored border around the lips. |
| Vestibule | Space between the teeth and the inner mucosal lining of the lips and cheeks. |
| Zygomatic arch | Arch formed when the temporal process of the zygomatic bone articulates with the zygomatic process of the temporal bone. |
| What are the nine regions of the face? | 1. Surface forehead, 2. Temples, 3. Orbital area, 4. External nose, 5. Zygomatic (cheekbone) area, 6. Mouth and lips, 7. Cheeks, 8. Chin, 9. External ear. |
| What landmarks surround the external nose and eyes? | Nose: Root (bridge), septum, anterior nares, and ala. Eyes: Inner and outer canthus. |
| What are the primary landmarks on and around the lips? | Labia (lips), vermilion border, philtrum, labial commissures, and nasolabial sulcus. |
| What are the two major divisions of the oral cavity? | 1. Vestibule (space between teeth and inner cheeks/lips). 2. Oral cavity proper (space behind teeth bounded by dental arches). |
| What are the key landmarks of the oral vestibule? | Mucobuccal fold, mucogingival junction, parotid papilla, linea alba, labial frenum, and buccal frena. |
| What tissue covers the alveolar processes and surrounds the teeth? | Gingiva (gingival tissue / gums). |
| What is included within the oral cavity proper? | The space inside the dental arches containing the hard palate, soft palate, tongue, floor of the mouth, and fauces pillars. |
| What landmarks are found on the hard palate? | Incisive papilla, palatine rugae (transverse ridges), and median palatine raphe. |
| What landmarks are found on the soft palate and fauces? | Uvula, anterior faucial pillar, posterior faucial pillar, and the isthmus of fauces. |
| What are the four types of tongue papillae and their functions? | 1. Filiform (touch perception, cover most of tongue, no taste buds). 2. Fungiform (taste buds). 3. Vallate/Circumvallate (large V-shape at back, taste buds). 4. Foliate (lateral borders, taste buds). |
| How do human teeth transition over a lifetime? | Humans have two sets of teeth: Primary dentition (20 baby teeth) and Permanent dentition (32 adult teeth). The transitional phase where both primary and permanent teeth are present is called Mixed dentition. |
Created by:
Cocoalover