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a+p bone markings
| Term | Definition |
|---|---|
| Tuberosity | Large rounded projection; may be roughed |
| Crest | Narrow ridge of bone; usually prominent |
| Trochanter | Very large, blunt, irregularly shaped process |
| Line | Narrow ridge of bone; less prominent than a crest |
| Tubercle | Small rounded projection or process |
| Epicondyle | Raised area on or above a condyle |
| Spine | Sharp, slender, often pointed projection |
| Ramus | Armlike bar of bone |
| Head | Bony expansion carried on a narrow neck |
| Facet | Smooth, nearly flat articular surface |
| Condyle | Rounded articular projection |
| Meatus | Canal-like passageway |
| Sinus | Cavity within a bone, filled with air and lined with mucous membrane |
| Fossa | Shallow, basinlike depression in a bone, often serving as an articular surface |
| Groove | Slitlike furrow |
| Fissure | Narrow, slitlike opening |
| Foramen | Round or oval opening through a bone |