Clavicle

Question 1

Which bone is this?

Answer 1

The right clavicle

Question 2

Which aspect is shown here?

Answer 2

Superior

Question 3

Which aspect is shown here?

Answer 3

Inferior

Question 4

Answer 4

a – acromial end of clavicle

b – conoid tubercle

c – shaft (or body) of clavicle

d – facet for articulation with sternum

e – sternal end of clavicle

f – posterior

g – medial

h – anterior

i - lateral

Question 5

Answer 5

a – acromial end of clavicle

b – trapezoid line

c – conoid tubercle

d – sulcus for subclavius muscle

e – shaft (or body) of clavicle

f – impression for costoclavicular ligament

g – sternal end of clavicle

h – anterior

i – medial

j – posterior

k - lateral

Question 6

Which other bones articulate with the clavicle?

Answer 6

Sternum

Scapula

Question 7

Which three things are unusual about the ossification of the clavicles?

Answer 7

1. Ossification occurs at five weeks of bone development
2. Only long bone formed from two centres
3. Last bone to fuse, at 20-25 years old