| A | B |
|---|
| tuberosity | large rounded projection; may be roughened |
| crest | narro 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 |
| process | any bone prominence |
| head | bony expansion carried on a narrow neck |
| facet | smooth, nearly flat articular surface |
| condyle | rounded articular projection |
| ramus | armlike bar of bone |
| meatus | canal-like passageway |
| sinus | cavity within a bone, filled with air and lined with mucous membrane |
| fossa | shallow, baslinelike depression in a bone,, often serving as an articular surface |
| groove | furrow |
| fissure | narrow, slitlike opening |
| foramen | round or oval opening through a bone |
