CH 6: Bone Markings – Flashcards
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Tuberosity
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Projection: Large rounded projection of bone; may be roughened
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Crest
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Projection: Narrow ridge of bone; usually prominent
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Trochanter
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Projection: Very large, blunt, irregularly shaped process (the only examples are on the femur)
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Line
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Projection: Narrow ridge of bone; less prominent than a crest
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Tubercle
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Projection: Small rounded projection or process
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Spine
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Projection: Sharp, slender, often pointed projection
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Process
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Projection: Any bony prominence
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Head
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Surface: Bony expansion carried on a narrow neck
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Facet
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Surface: Smooth, nearly flat articular surface
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Condyle
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Surface: Rounded articular projection, often articulates with a corresponding fossa
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Foramen
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Depression/Opening: Round or oval opening through a bone
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Fissure
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Depression/Opening: Narrow slit-like opening
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Fossa
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Depression/Opening: Shallow basinlike depression in a bone, often serving as an articular surface
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Meatus
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Depression/Opening: Canal-like passageway
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Sinus
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Depression/Opening: Cavity within a bone, filled with air and lined with mucous membrane
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Ramus
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An extension of bone making an angle with the rest of the structure
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Neck
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A narrow connection between the epiphysis and the diaphysis
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Trochlea
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A smooth, grooved articular process shaped like a pulley
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Sulcus
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A narrow groove
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Canal
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A duct or channel
