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

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Presentation transcript:

Every bump, groove, and hole has a name on your bones BONE MARKINGS Every bump, groove, and hole has a name on your bones p.137 Table 7.2

BONE MARKINGS PROJECTIONS: Processes that protrude out of bone DEPRESSIONS Cavities that indent into bone

PROCESS PROCESS:A relatively large projection or prominent bump

Joint Projections Condyle: Rounded articular projection Condyle A few slides ahead not the EPICONDYLE… Which would be found above a condyle

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

Joint Projections Ramus: Armlike bar of bone

Ligament/Tendon Projections Crest: Narrow ridge of bone (Line: smaller than a crest) Epicondyle: Raised area on or above a condyle ULNA

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

PROJECTIONS Spine: Sharp, pointed projection Thoracic Vertebrae

MARKINGS ON THE CRANIUM Fontanel : soft spot in the skull (infant skull)…cranial bones have not yet fused Suture: interlocking line at the union of 2 bones; fibrous joint in the skull

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

Depressions Fossa: shallow basin Fissure: narrow, slit-like opening

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

DEPRESSIONS FOVEA: a small pit or depression

Depressions Sulcus, Groove or Furrow: a shallow depression

Review: (note on your index cards which markings are projections & which are depressions) Process Condyle Head Facet Ramus Crest Epicondyle Tubercle Tuberosity Trochanter Spine Depressions Meatus Fossa Fovea Fissure Foramen Sinus Fontanel Suture Sulcus or Groove or Furrow