Bones and Joints Flashcards
What is the axial skeleton?
Bones in the long axis of the body
Appendicular skeleton?
Bones attached to axial skeleton
Which 2 bones make up the upper limb girdle?
Clavicle and Scapula
Which 3 bones make up the lower limb girdle?
Illium, Ischium and pubis
What two major parts are long bones made of?
Diaphysis and Epiphysis
What structures are found in the epiphysis?
- Spongy bone
- Epiphyseal line
- Articular cartilage
Describe the structures that are found in the diaphysis
- Medullary cavity
- Nutrient foramen
- Endosteum
- Periosteum
- Marrow
What is the function of cortical bone?
- Support
- Protection
- Calcium store
Function of spongy bone?
- Bone marrow
- Haematopoeisis
Two functions of the periosteum?
- Allows bone to attach to muscle
- Allows pathway for blood vessels
Where is the metaphysis located?
Between the epiphysis and diaphysis
How does increase in width of bone occur?
- Appositional growth
How does lenthening growth of bone occur?
Interstitial growth
Which part of the diaphysis will give rise to appositional growth?
Periosteum
Where in the epiphysis will interstitial growth occur?
Epiphyseal growth plate
What are the 6 classifications of bones? (FISSSIL)
- Flat
- Irregular
- Short
- Sesamoid
- Sutural
- Long
Give 2 examples of long bones
- Humerus
- Femur
Give an example of an irregular bone
Vertebra
Give 2 examples of flat bone
Bones of the skull and ribs