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SKELETAL SYSTEM
Term | Definition |
---|---|
aperture | narrow opening in a bone |
arch | prominent bridgelike bony structure |
articulation | area where bones are joined to each other |
bones | mineralized structures protecting internal soft tissue and serving as biomechanic basis for movement |
canal | longer narrow, and tubelike opening in a bone |
condyle | oval bony prominence usually involved in joints |
cornu | small hornlike prominence of a bone |
crest | roughened border or ridge on bony surface |
eminence | tubercle or small rounded elevation on bony surface |
epicondyle | small prominence located superior to or upon a condyle |
fissure | narrow cleft like opening in a bone |
foramen / foramina | short windowlike opening(s) in a bone |
fossa / fossae | deeper depressions (s) on bony surface |
head | rounded structure projecting from a bony surface by a neck |
incisura | indentation or notch at the edge of a bone |
joint | site of a junction or union between two or more bones |
line | small straight ridge of a bone |
meatus | opening or canal in a bone |
notch | indentation at edge of bone |
ostium / ostia | smaller openings in a bone |
perforation | abnormal hole in a hollow organ such as in the wall of a sinus |
plate | flat structure of a bone |
process | general term for any prominence on bony surface |
spine | abrupt small prominence of a bone |
sulcus / sulci | shallow depression(s) or groove(s) on a bony surface |
suture | generally immovable articulation joining bones by fibrous tissue |
tubercle | eminence or small rounded elevation on bony surface |
tuberosity | large, often rough, prominence on bony surface |