Process
Any projection or bump
Ramus
An extension of a bone making an angle with the rest of the structure
Trochanter
A large, rough projection
Tuberosity
A smaller, rough projection
Tubercle
A small, rounded projection
Crest
A prominent ridge
Line
A low ridge
Spine
A pointed process
Head
The expanded articular end of an epiphysis, separated from the shaft by a neck
Neck
A narrow connection between the epiphysis and the diaphysis
Condyle
A smooth, rounded articular process
Trochlea
a smooth, grooved articular process shaped like a pulley
Facet
A small, flat articular surface
Fossa
A shallow depression
Sulcus
A narrow groove
Foramen
A rounded passageway for blood vessels or nerves
Canal or Meatus
A passageway through the substance of a bone
Fissure
An elongate cleft
Sinus
A chamber within a bone, normally filled with air