Bones Flashcards
What am I? Longer then they are wide, used in weight bearing
Long bone
What am I? Protect vital organs, provides surfaces for large muscles attachments
Flat bones
What am I? Width & length are similar, provide stability and little movement
Short bone
What am I? Don’t fit in any categories e.g. vertebra
Irregular bone
What am I? Embedded into ligament for additional leverage
Sesamoid bone
What am I? Additional bones that are only present in some
Accessory bone
Characteristics of bones
strong, hard and lightweight
What is the structural components of bones
30% of organic components and 70% of inorganic components
What are organic components?
Collagen and flexible matrix
What are inorganic components?
Minerals, salt & Calcium phosphate
What am I? Hard outer layer, hollow pillars of bones containing nerves and blood vessels
Compact (cortical) bone
What am I? Internal tissues, open porous network
Spongy (Cancellous) bone
The joint between superior and inferior facet are
zygapophysial joints
A atlanto-axial joint is a type of what joint?
Pivot joint