Condyle

Large, smooth, rounded oval structure

Facet

Small, flat, shallow surface

Head

Prominent, rounded epiphysis

Trochlea

Smooth, grooved, pulley-like process

Alveolus (plural: alveoli)

Deep pit or socket in the maxillae or mandible

Fossa (plural: fossae)

Flattened or shallow depression

Sulcus

Narrow groove

Crest

Narrow, prominent, ridgelike projection

Epicondyle

Projection adjacent to a condyle

Line

Low Ridge

Process

Any marked bony prominence

Ramus (plural: rami)

Angular extension of a bone relative to the rest of the structure

Spine

Pointed, slender process

Trochanter

Massive, rough projection found only on the femur

Tubercle

Small, rounded projection

Tuberosity

Large, rough projection

Canal

Passageway through a bone

Fissure

Narrow, slitlike opening through a bone

Foramen (plural: foramina)

Rounded passageway through a bone

Meatus

Passageway through a bone

Sinus

Cavity or hollow space in a bone