The Skeletal System …

DIRECTIONS: Fill in ALL the information with astericks DIRECTIONS: Fill in ALL the information with astericks * in front of them by reading the proper section of the text, Do Not use Glossary. This must be done prior to the class.

II) The Axial Skeleton =

Human Skull, Anterior View Figure 5.11

A. The Skull Major Areas: Define & Functions *Cranium F P *Facial bones 1. CRANIUM Sutures Frontal Sagittal *BONES: location & Articulations a) *Parietal Bone b) *Frontal c) *Temporal Carotid Canal Jugular Foramen F P T O Carotid Canal Jugular Foramen T O

2. FACIAL BONES: Location & Importance a) *Maxilla Hard Palate SKULL … Cranium … d) *Occipital Occipital Condyles Foramen Magnum 2. FACIAL BONES: Location & Importance a) *Maxilla Hard Palate b) *Mandible c) *Nasal d) *Zygomatic Only freely movable joint = Temporalmandibular Joint H.P. O.C. F.M. O N Z Max Man

Human Skull, Lateral View Figure 5.7

Human Skull, Inferior View Figure 5.9

3) Paranasal Sinuses ** STUDENTS DO ** = Definition Functions

B. The Hyoid Bone ** STUDENTS DO **

C. The Fetal Skull Fontanels

D. The Vertebral Column 1. *Parts location & number of below cervical thoracic lumbar Sacrum Coccyx 2. Intervertebral Discs

3. Curvatures Primary: Have At birth Secondary: Develop when The Vertebral Column … 3. Curvatures Primary: Have At birth Secondary: Develop when

4. Disorders ** STUDENTS DO FOLLOWING ** Scoliosis Herniated Disc

5. Typical Vertebrae– General Characteristic *Body: description,location,function *Vertebral Foramen as above Procsses Spinous Transverse Figure 5.17

6. Regional Characteristics of the 3 Types a. Cervical Vertebrae Unique Characteristic: Transverse Foramen in Transverse Process: - for Vertebral Artery Transverse Foramen Figure 5.18b

ii) First two Cervical Vertebrae Atlas Superior Articulations Inferior Articulation Axis Dens Superior Articulation

Regional Characteristics of Vertebrae … b. Thoracic Vertebrae Unique Characteristic = Articulate w/: Facets: Figure 5.18c

Regional Characteristics of Vertebrae … c. Lumbar Vertebrae No Unique Characteristic– Are the Largest Vertebrae and do not have transverse foramen or facets for ribs Figure 5.18d

6. Intervertebral Discs Tissue: Function:

7. Sacrum and Coccyx Sacrum Coccyx

E. The Bony Thorax = Function: parts Sternum Ribs & cartilage Thoracic vertebrae

The Bony Thorax Figure 5.20a

END