Facial Bones (Q1,P6) Flashcards
1
Q
Mandible
A
- The lower jawbone is the largest and strongest facial bone
- Has three parts: Horizontal body, two upright rami (ramuses), mandibular angle
2
Q
Other Parts of the Mandible
A
- Alveolar process/margin: tooth sockets
- Mental protuberance: tip of the chin
3
Q
Maxilla
A
- Articulate with all other facial bones except the mandible
- Contain maxillary sinuses – largest paranasal sinuses
4
Q
Maxillary Bones
A
- Alveolar Processes: inferior margin of the maxillary bones; the tooth sockets, called alveoli, open into this margin
- Palatine Processes: projects medially from the alveolar process to form the anterior region of the hard palate
5
Q
Zygomatic Bones
A
form lateral wall of orbits
6
Q
Nasal Bones
A
form bridge of the nose
7
Q
Lacrimal Bones
A
located in the medial orbital walls
8
Q
Palatine Bones
A
complete the posterior part of the hard palate
9
Q
Vomer
A
forms the inferior part of the nasal septum
10
Q
Inferior Nasal Conchae
A
Thin, curved bones that project medially to form the lateral walls of the nasal cavity
11
Q
Paranasal Sinuses
A
- Air-filled sinuses are located within
Frontal bone
Ethmoid bone
Sphenoid bone
Maxillary bones - Lined with mucous membrane
- Serve to lighten the skull
12
Q
Nasal Cavity
A
space inside the nose
13
Q
Orbits
A
bony structures of the skull that house the globe, extraocular muscles, nerves, blood vessels, lacrimal apparatus, and adipose tissue.