Bone markings

Tuberosity

large, rounded projection

Crest

narrow ridge

Trochanter

large, blunt, irregular process

Tubercle

small, rounded projection

Epicondyle

raised area on or above a condyle

Spine

sharp, slender, pointed projection

Process

bony prominence

Head

bony expansion carried on a narrow neck

Facet

smooth, nearly flat articular surface

Condyle

rounded articular projection, often articulates with fossa

Foramen

round or oval opening through a bone

Fissure

Narrow, slit-like groove

Notch

indentation at the edge of a structure

Fossa

shallow depression in a bone; often articular surface

Meatus

canal-like passageway

Sinus

cavity within a bone, filled with air, lined with mucous membranes