| Term | Definition |
| CREST | Narrow ridge of bone; usually prominent |
| EPICONDYLE | a projection on a bone above a condyle serving for the attachment of muscles and ligaments |
| ARTICULATION | the act of joining things in such a way that motion is possible |
| FACET | Smooth flat articular surface |
| CONDYLE | rounded articular process |
| PROCESS | projection or bump |
| SPINOUS PROCESS | sharp slender projection |
| TROCHANTER | very large projection |
| TUBERCLE | small rounded projection |
| TUBEROSITY | Large, rounded, usually roughened projection |
| PARANASAL SINUS | one of the air cavities in the bones near the nose |
| CANAL | narow tube |
| FISSURE | Deep groove or pit |
| FONTANEL | Space between skull bones at birth; covered with connective tissue |
| FORAMEN | Opening through which BV, nerves, or ligaments pass |
| FOSSA | shallow basin-like depression serving as an articular surface |
| SUCLUS | depression or groove in the surface of the cerebral cortex; fissure |
| MEATUS | A natural body opening/canal |