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Bone Projections and Depressions

Terms in this set (20)

Process
A general term for a projection from the surface of the bone
Ex. Styloid process of ulna
Tubercle
A relatively small bump on a bone
Ex. Greater Tubercle of humerus
Tuberosity
A relatively larger bump on a bone
Ex. Deltoid tuberosity of humerus
Trochanter
A large bump (on femur)
Ex. Greater and lesser trochanter of femur
Ramus
A branch
Ramus of mandible
Spine
A short, sharp projection
Ex. Vertebral spine
Head
A projection that articulates with another bone
Ex. Head of femur
Neck
A constriction below the head
Ex. Neck of rib
Condyle
An irregular, smooth surface that articulates with another bone
Ex. Lateral condyle of femur
Epicondyle
A bump on a condyle
Ex. Medial epicondyle of humerus
Crest
An elevated ridge of bone
Ex. Crest of ilium
Line
An elevation smaller than a crest
Ex. Gluteal line of ilium
Facet
A smooth, flat face
Ex. Articular facets of vertebrae
Foramen
A shallow hole
Ex. Foramen magnum of occipital bone
Sinus
A cavity in a bone
Ex. Maxillary sinus
Meatus or canal
A deep hole
Ex. External auditory meatus of temporal bone
Fossa
A shallow surface depression in a bone
Ex. Iliac Fossa
Notch
A deep cutout in a bone
Ex. Greater sciatic notch of ilium
Groove or sulcus
An elongated depression
Ex. Intertubercular groove of humerus
Fissure
A long, deep cleft in a bone
Ex. Inferior orbital fissure
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