Bone Markings

Tuberosity

Large rounded projection; may be roughened

Crest

Narrow ridge of bone; usually prominent

Trochanter

Very large, blunt, irregularly shaped process (the only examples are on the femur)

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 bony prominence

Head

Bony expansion carried on a narrow neck

Facet

Smooth, nearly flat articular surface

Condyle

Rounded articular projection; often articulates with a corresponding fossa

Groove

Furrow

Fissure

Narrow, slit like opening

Foramen

Round or oval opening through a bone

Notch

Indentation at the edge of a structure

Meatus

Canal-like passageway

Sinus

Cavity within a bone, filled with air and lined with mucous membrane

Fossa

Shallow, basin-like depression in a bone, often serving as an articular surface