| A | B |
|---|
| Narrow slit between adjacent parts of bones through which blood vessels & nerves pass. | Fissure |
| Opening through which blood vessels, nerves, or ligaments pass | Foramen |
| Shallow depression | Fossa |
| Furrow along a bone surface that accommondates a blood vessel, nerve, or tendon | Sulcus |
| Tubelike opening | Meatus |
| Large, round protruberance at the end of a bone. | Condyle |
| Smooth, flat articular surface. | Facet |
| Rounded articular projection suppported on the neck of a bone. | Head |
| Prominent ridge or elongated projection. | Crest |
| Projection above a condyle. | Epicondyle |
| Long, narrow ridge or border (less prominent than a crest). | Line |
| Sharp, slender projection. | Spinous process |
| Very large projection. | Trochanter |
| Small, rounded projection. | Tubercle |
| Large, rounded, usually roughened projection. | Tuberosity |
