Bone Surface Markings

Sulcus

- Furrow along a bone surface that accommodates a blood vessel, nerve, or tendon. - Ditch shape.

Condyle

- Large, round protuberance at the end of a bone. - Condylus→ knuckle.

Tuberosity

- Large, rounded, usually roughened projection. - Large end of Condyle.

Line

- Long, narrow ridge or border. - Less prominent than a crest.

Fissure

- Narrow slit between adjacent parts of bones through which blood vessels or nerves pass. - Crack.

Foramen

- Opening through which blood vessels, nerves, or ligaments pass. - foramen→ hole

Epicondyle

- Projection above a Condyle. - Epi→ above. - Knobs.

Crest

- Prominent ridge or elongated projection. - Shoulder blade.

Head

- Rounded articular projection supported on the neck of a bone. - Closest part to the center of the body.

Fossa

- Shallow depression. - Fossa→ trench. - Cup shape.

Spinous Process

- Sharp, slender projection. - Projections from spine.

Tubercle

- Small, rounded projection. - Tuber→ knob. - Small end of Condyle.

Facet

- Smooth flat articular surface.

Meatus

- Tubelike opening. - Meatus→ passageway. - Ear canal, long tube.

Trochanter

- Very, large projection.