Bone Classification Flashcards
What are the six more commonly used classifications of normal bone?
long, short, flat, irregular, paranasal sinus or pneumatic, and sesamoid bones
What are the classifications given to abnormal bone stressed in Spinal Anatomy?
heterotopic and accessory bone
What is the name given to bone formed in a non-bone location?
heterotopic bone
What is the name given to bone formed from existing bone?
accessory bone
What is the characteristic feature of a long bone?
it is longer than it is across (length greater than breadth)
What are the names gives to the parts of a long bone?
diaphysis (shaft)
typically two epiphyses (extremities)
What are examples of long bones?
humerus, radius, ulna, femur, tibia, and fibula
What is the primary characteristic of short bones?
they are essentially cuboidal
What are examples of short bones?
most of the bones of the carpus and tarsus
What are flat bones?
a thin layer of spongy bone is sandwiched between two layers of compact bone
What are examples of flat bones?
parietal bone and sternum
What is the name given to the spongy bone of the skull?
diploe
What is the characteristic of irregular bone?
numerous projections or irregular outlines
What are examples of irregular bones?
vertebrae and innominate bones
What is characteristic of the pneumatic bones?
air spaces within the bone
