Skeletal elements of the thorax

Question 1

Which joint is responsible or enables the nodding “yes” head movement?

Answer 1

The Atlanto-occipital joint

- created by the Dens (Odontoid Process )of the axis articulating with the atlas

Question 2

What three joints between the atlas and the axis enables rotation of the head?

Answer 2

The Dens (odontoid process) forms the pivot point

Atlanto-axial joint
- Median (Atlanto-occipital joint)
- Lateral (two, one on each side)
- Created by the inferior articular surface of the Atlas
& the superior articular surface of the Axis

Question 3

Regional Features of Bones

Answer 3

1. Head
2. Neck
   
   • Anatomical
   • Surgical
3. Shaft (long region)
4. Angle

Question 4

Diaphysis

Answer 4

Shaft (long region)

Question 5

Ephiphysis

Answer 5

Growth plate(s) - End of bones

Question 6

Protrusions

Answer 6

Palpable bumps

Can go by the following:
Tubercle
Tuberosity
Malleolus
Process
Condyle

Question 7

Depressions

Answer 7

Are blind-ended

• Fossas
• Meatus
• Fovea

Allow passages for blood vessels and nerves
 - Grooves
 These four are passages:
 - Foramen (Foramina - Plural)
   -Holes that emit things
 - Hiatus
 - Canal

Question 8

Facets

Answer 8

Sites of articulation
E.g. The protrusion bears the facet
E.g. The tubercle of the rib bears the articular facet