Bone Classification Flashcards
What are examples of axial bones
Skull, vertebrae, tail bone, ribs, ect.
Examples of appendicular bones
- Pectoral girdle - clavicle & scapula
- Arms
- Pelvic girdle - hip bones
- Legs
How many bones are in the axial skeleton?
80
How many bones are in the appendicular skeleton?
126
What are the functions of bones?
Provides support - structure for muscles and organs
Basis for movement - muscles are attached to bones by tendons, when muscles contract, bones move
Protection for vital organs
Blood cell formation for red blood cells and platelets
Storehouse for minerals such as calcium and phosphorus
What qualify as long bones?
Femur and Humerus
- miniature long bones - fingers and toes
Each bone has a shaft or diaphysus & two ends of compact bone or epiphyses & a central continuous cavity
What are examples of short bones?
Carpal and Tarsal bones - ankle and wrist
What are examples of flat bones
Skull, ribs and sternum
Thin & flat, protect vital organs from injury
What is an example of an irregular bone?
The vertebrae
What is an example of a sesamoid bone?
The patella (knee cap)
Small & flat, wrapped with tendons that move over bony surfaces, not attached to other bones
What are compact bones?
Dense and smooth, hard & protective
What are cancellous or spongy bones?
Lots of open spaces, found at ends of bones, site for blood cell formation
