Angle
ex. mandibular angle
projecting corner of a bone
Border
ex. medial and lateral border of the scapula
linear ridge of a bone, often its edge
Condyle
Ex: occipital condyles and the femoral condyles.
Large, rounded, knuckle-shaped projection that usually articulates with another bone to form a joint.
Crest
Ex: Iliac crest & pubic crest.
Ridge or linear elevation on a bone.
Epicondyle
Ex: epicondyle of the humerus & epicondyle of the femur.
An enlargement near or above a condyle.
Head
Ex: epicondyle of the humerus & epicondyle of the femur.
Enlarged & rounded end of a bone.
Line
Ex: nuchal line & gluteal line.
Narrow ridge on a bone & is less prominent than a crest.
Process
Ex: nuchal line & gluteal line.
Prominent projection or prolongation from a bone.
Protuberance
Ex: occipital protuberance.
Knoblike protrusion from a bone.
Ramus
Ex: pubic ramus & mandibular ramus.
Long, branchlike prolongation of a bone
Ridge
Ex: supracondylar ridge.
Elongated projection of a bone.
Spine
Ex: scapula spine & Iliac spine
Sharp, slender projection from a bone
Sinus
EG; frontal sinus and maxillary sinus
Cavity or hollow space in bone
Notch
EG: radial notch and sciatic notch
Deep indentation or narrow gap in bone
Groove
EG: intertubercular groove and laminar groove
Linear depression accommodating another structure
Fossa
EG: subscapular fossa and iliac fossa
Shallow depression
Facet
EG: vertebral facets
Small flattened shallow depression articulating with another bone
Foramen
EG: obturator foramen foramen magnum
Opening through a bone and usually serves as a passageway for blood vessels, nerves, or ligaments.
Tuberosity
EG: deltoid tuberosity and ischial tuberosity
Large and rounded or roughened projection on a bone
Tubercle
EG: pubic tubercle and adductor tubercle
Rounded projection from a bone, usually blunt and irregular
Trochanter
EG: greater trochanter and lesser trochanter
Large rounded projection found only on the femur