Bone Markings - Alternative Pictures

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

Tubercule

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, slitlike 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, basinlike depression in a bone, often serving as an articular surface