Process
any projection or bump
Ramus
an extension of a bone marking an angle with the rest of the structure
Trochanter
a large, rough projection
Tuberosity
a medium, rough projection
Tubercle
A small, rounded projection
Crest
A prominent narrow ridge
Line
A low narrow ridge
Spine
Sharp, narrow, point
Head
Condyle attached to a neck
Neck
A narrow connection between the epiphysis and the diaphysis
Condyle
A smooth, rounded articular surface
Trochlea
A smooth, grooved articular process shaped like a pulley
Facet
A small, flat articular surface
Fossa
A shallow depression
Groove
A narrow groove
Foramen
A rounded passageway for blood vessels or nerves
Canal/Meatus
A passageway through the substance of a bone
Fissure
An elongated cleft
Sinus/Antrum
A chamber within a bone, normally filled with air