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Glossary of Bone Parts and Markings

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BODY
The main part of a bone
CANAL
A tube-like opening
CONDYLE
A rounded projection for articulation (pronouncing of words)
CREST
A narrow ridge
EPICONDYLE
A bump on a condyle, for muslce attachment
FACET
A smooth, flat area for articulation (pronouncing of words)
FISSURE
A narrow opening, may be irregular in shape
FORAMEN
A round or oval hole, not as long as a canal or meatus
FOSSA
A large, shallow depression
GROOVE
A narrow depression through which some other structure runs
HEAD
An enlargment carried on a neck, takes part in forming a joint
LINE
A narrow ridge, smaller than a crest
MEATUS
A tube-like opening
NECK
A narrowed region at one end of a long bone, attached to head
PROCESS
The general term for a long projection from a bone
RAMUS
A round or flattened extension from the body, usually for articulation (pronouncing of words)
SINUS
An air-filled cavity within a bone, lined by mucous membrane
SPINE
A sharp, slender projection for muscle attachment
TROCHANTER
A large, irregularly shaped projection
TUBERCLE
A small rounded projection
TUBEROSITY
A large, rounded projection for muscle attachment, usually rough

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