Bone Markings
Fissure
A narrow slit-like opening
Process
Any bone prominence
Head
Bony expansion carried on a narrow neck
Meatus
Canal-like passageway
Groove
Furrow (uncovered passage)
Notch
Indentation at the edge of a structure
Tuberosity
Large rounded projection
Line
Narrow ridge of bone; less prominent than a crest
Crest
Narrow ridge of bone; usually prominent
Foramen
Round or oval opening through a bone
Condyle
Rounded articulating projection
Fossa
Shallow, basinlike depression in a bone, often serving as an articular surface
Facet
Smooth, nearly flat articulating surface
Trochanter
Very large, blunt, irregularly shaped process (only located on femur)
Sinus
cavity within a bone, filled with air and lined with mucous membrane
Epicondyle
raised area on or above a condyle
Spine
sharp, slender, often pointed projection
Tubercle
small rounded projection or process