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Every bump, groove, and hole has a name on your bones

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Presentation on theme: "Every bump, groove, and hole has a name on your bones"— Presentation transcript:

1 Every bump, groove, and hole has a name on your bones
BONE MARKINGS Every bump, groove, and hole has a name on your bones

2 Bone Markings Two types of bone markings:
Projections (aka processes) that grow out from the bone Depressions (cavities) that indent the bone

3 DEPRESSIONS Allow blood vessels or nerves to pass through.
1) Meatus: (me - A- tus) Canal or tube

4 Depressions 2) Fossa: shallow basin
3) Fissure: narrow, slit-like opening

5 Depressions 4) Sinus: Cavity within a bone; filled with air and lined with mucous membranes 5) Foramen: Round or oval opening Foramen Magnum

6 Depressions 6) Sulcus, Groove or Furrow: a shallow depression

7 Joint Projections 1) Condyle: Rounded articular projection Condyle

8 Joint Projections 2) Head: bony expansion on a narrow neck
3) Facet: smooth, nearly flat articular surface

9 Joint Projections 4) Ramus: Armlike bar of bone

10 Ligament/Tendon Projections
Crest: Narrow ridge of bone (Line: smaller than a crest) ULNA

11 3) Tubercle: Small rounded projection
4) Tuberosity: large rounded or roughened projection 5) Trochanter: very large, blunt projection (only on femur) Proximal Tibia

12 6) Spine: Sharp, pointed projection
Thoracic Vertebrae

13 Review: Projections Condyle Head Facet Ramus Crest Epicondyle Tubercle
Tuberosity Trochanter Spine Depressions Meatus Fossa Fissure Sinus Sulcus or Groove or Furrow


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