| A | B |
|---|
| Foramen | Round or oval opening through a bone. |
| Fossa | Shallow basin like depression in a bone |
| Facet | Smooth, nearly flat articular surface |
| Process | Any bony prominence |
| Tubercule | Small, rounded projection or process |
| Condyle | Rounded articular projection |
| Epicondyle | Raised area on or above or process |
| Spine | Sharp, slender, often pointed projection |
| Tuberosity | Large, rounded projections, may be roughened |
| Crest | Narrow ridge of bone, usually prominent |
