VI. AXIAL SKELETON [80]
A. Sutures (see below)
1. Coronal
2. Sagittal
3. Lambdoidal
4. Squamosal
B. Fontanels (see below)
C. Cranial bones [8]
1. Frontal
Supraorbital foramen, Coronal suture
2. Parietal
Sagittal suture
3. Temporal
External auditory (=acoustic) meatus
Zygomatic process
Mastoid process
Mandibular fossa
Squamosal suture
4. Occipital
Foramen magnum
Occipital condyles
Lambdoidal suture
5. Sphenoid
Superior orbital fissure
Sella turcica
6. Ethmoid
Crista galli
Cribriform plate
Olfactory foramina
Superior & medial (middle) nasal conchae
Perpendicular plate
- Sinus
- Fontanels
D. Facial bones [14]
1. Mandible
Mandibular condyle
Coronoid process
Alveoli = alveolar margins
2. Maxilla
Alveoli
Palatine process
3. Palatine
4. Zygomatic
5. Lacrimal
Lacrimal fossa/sulcus
6. Nasal
7. Vomer
8. Inferior nasal conchae
E. Hyoid
F. Vertebrae
1. Body
2. Vertebral arch (pedicles and laminae)
3. Vertebral foramen
4. Transverse process
5. Spinous process
6. Articular processes = Facets
7. Intervertebral foramina
8. Intervertebral disc
9. Cervical vertebrae – 7
Atlas
Axis
Odontoid process = Dens
10. Thoracic vertebrae – 12
11. Lumbar vertebrae – 5
12. Sacral vertebrae – 5 fused = sacrum
13. Coccygeal vertebrae – 3-5 fused = coccyx
G. Sternum
1. Manubrium
Jugular notch
2. Body
3. Xiphoid process
H. Ribs {true-7, false-5, floating-2}
1. Head
2. Tubercle
3. Costal cartilage