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Bone Surface Marking
Table 7.2
16
Anatomy
Undergraduate 1
10/02/2008

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Term
Fissure
Definition

Narrow slit between adjacent parts of bones through which blood vessels or nerves pass.

Ex: Superior orbital fissure of the sphenoid bone

Term
Foramen
Definition

Opening (foramen=hole) through which blood vessels, nerves, or ligaments pass

Ex: Opitic foramen of the sphenoid bone

Term
Fossa
Definition

Shallow depression (fossa = trench)

Ex: Coronoid fossa of the humerus

 

Term
Sulcus
Definition

Furrow (sulcus=groove) along a bone surface that accomodates a blood vessel, nerve, or tendon

Ex: intertubercular sulcus of the humerus

Term
Meatus
Definition

Tubelike opening (meatus = passway)

Ex: External auditory meatus of the temporal bone

Term
Processes
Definition
Projections or outgrowth on bone that form joints or attachment points for connective tissue, such as ligaments and tendons
Term
Condyle
Definition

Large, round protuberance at the end of a bone

Ex: Lateral condyle of the femur

Term
Facet
Definition

Smooth flat articular surface.

Ex: Superior articular facet of a vertebra

Term
Head
Definition

Rounded articular projection supported on the neck (constricted portion) of a bone.

Ex:Head of the femur

Term
Crest
Definition

Prominent ridge or elongated projected

Ex: Illiac crest of the hip bone

Term
Epicondyle
Definition

Projection above a condyle

Ex: Medial epicondyle of the femur

Term
Line
Definition

Long, narrow ridge or border (less prominent than a crest)

Ex: Linea aspera of femur

Term
Spinous process
Definition

Sharp, slender projection

Ex: Spinous process of a vertebra

Term
Trochanter
Definition

Very large projection

Ex: Greater tronchanter of the femur

Term
Tubercle
Definition

Small, rounded projection

Ex: Greater tubercle of the humerus

Term
Tuberosity
Definition

Large, rounded, usually roughened projection

Ex: Ischial tuberosity of the hip bone

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