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Bone Marking Identification

Bone Marking Identification. Bone Markings. Bone markings are present on all bones They are used to help identify which bone is which It is also used to describe problems with bones

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Bone Marking Identification

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  1. Bone Marking Identification

  2. Bone Markings • Bone markings are present on all bones • They are used to help identify which bone is which • It is also used to describe problems with bones • EX: If a hockey player gets hit with a puck in the face and fractures his ocular fissure we know exactly where that is

  3. We break our categories of markings into 3 groups • Projections that are sites of muscle and ligament attachment • Projections that help form joints • Depressions and opening allowing blood vessels and nerves to pass

  4. Sites of muscle and ligament attachment • Tuberosity -- Large, rounded projection, can be rough • Crest-- narrow ridge of bone, usually prominent • Trochanter -- Very large blunt, irregular shaped process (only exists on femur)

  5. Sites of muscle and ligament attachment • Line -- narrow ridge of bone • Tubercle -- small rounded projection or process • Epicondyle -- raised area on or above a condyle • Spine -- sharp, slender, often pointed projection

  6. Projections that help form joints • Head -- bony expansion carried on a narrow neck • Facet -- smooth, nearly flat articular surface • Condyle -- rounded articular projection • Ramus -- armlike bar of bone

  7. Depressions and openings allowing blood vessels and nerves to pass • Meatus -- canal-like passageway • Sinus -- Cavity within a bone, filled with air and lined with a mucous membrane • Fossa -- Shallow, basinlike depression in a bone, often used for articulation

  8. Depressions and openings allowing blood vessels and nerves to pass • Groove -- furrow • Fissure -- narrow, slitlike opening • Foramen -- round or oval opening through a bone

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