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        | A rounded knob that articules with another bone |  | 
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        | A smooth, flat slightly concaved or convex articular surface |  | 
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        | The prominent expanded end of a bone, sometimes rounded |  | 
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        | An expanded region superior to a condyle |  | 
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        | A slightly raised, elongated ridge |  | 
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        | A bony outgrowth or protruding part |  | 
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        | A sharp, slender, or narrow process |  | 
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        | Two massive processes unique to the femur |  | 
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        | A shallow, broad, or elongated bassin |  | 
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        | A groove for a tendon, nerve, or blood vessel |  | 
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        | A tubular passage or tunnel in a bone |  | 
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        | A hole through a bone, usually round |  | 
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        | An air-filled space in a bone |  | 
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