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FACIALBONES
anatomy lab
| Term | Definition |
|---|---|
| Facial bones | consist of the nasal bones, lacrimal bones, vomer, inferior nasal conchae, zygomatic bones, maxilla, and the mandible; located on the anterior side of the skull and comprise of all bony features that form the face |
| nasal bones | two small bones found on the superior aspect of the nose just below the frontal bone |
| lacrimal bones | located within the medial wall of the orbit and contain a small hole/opening called the nasolacrimal canal |
| nasolacrimal canal | small hole/opening located within the lacrimal bones; connects the orbit to the nasal cavity |
| inferior nasal conchae | the bottom of the three bony shelves that project off the lateral sides of the nasal cavity; its own bone |
| zygomatic bones | cheek bones; form the lateral walls and inferior borders of the orbits |
| temporal process | extends from the lateral border of the zygomatic bone and contributes to the zygomatic arch. The arch is the posterior part of the zygomatic process of the temporal bone, while the anterior part of the arch is the temporal process of the zygomatic bone |
| maxilla | one large bone that forms the upper part of the jaw; extends superiorly to lateral sides of the nose and a small part of it can be found between the nasal and lacrimal bones; extends laterally to meet the zygomatic bones and inferiorly to hold the upper row of teeth; within this are two holes |
| infraorbital foramen | two small holes located just inferior and slightly medial to the orbit |
| alveolar process | the inferior ridge of the maxilla that contains the tooth sockets for the upper row of teeth |
| nasal spine | small bony protrusion along midline of the santerior aspect of the vomer; contains an upraised line extending down toward the alveolar process; also contains two maxillary sinuses |
| maxillary sinuses | large cavities contained within the maxilla on the lateral sides of the nose/nasal cavity |
| mandible | one large bone that forms the lower part of the jaw; on the lateral sides can find two bony projections. |
| condylar process | the most posterior and superior projection of the mandible and will join the mandibular fossa of the temporal bone. Can be identified as the more rounded and larger process. |
| coronoid process | the more anterior, pointy and smaller process |
| mandibular notch | a small dip located between the condylar and coronoid processes |
| ramus | the entire flattened portion that makes up the lateral side of the mandible |
| mandibular foramen | inside/deep side of the mandibular ramus; opening |
| mental foramen | when viewing from the anterior side of the skull are two small holes located just lateral to the midline of the mandible on the anterior side (chin) |
| alveolar process | the ridge of bone projecting superiorly and containing the tooth sockets for the lower jaw |
| vomer | bone that forms the inferior part of the nasal septum (wall that separates left and right sides of the nasal cavity) it articulates with the perpendicular plate of the ethmoid bone to form the bony septum. |
Created by:
Shannona3
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