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Bone Markings

Bone Markings. Bone Markings T = projections F = depressions (except facet). Condyle ( from knuckle ). R ounded articular projections; mandible

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Bone Markings

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  1. Bone Markings

  2. Bone MarkingsT = projectionsF = depressions (except facet)

  3. Condyle ( from knuckle) Rounded articular projections; mandible A rounded protuberance at the end of a long bone that gives attachment to tendons and articulates with the adjacent bone (fitting into the socket) thus forming a joint. 

  4. Crest Narrow ridge of bone, usually prominent

  5. Epicondyle Raised area on or above a condyle

  6. Facet (as flat surface of a gemstone) Smooth, nearly flat articular surface; as of rib

  7. Fissure Narrow, slit-like opening (inferior orbital)

  8. Foramen Round or oval opening through a bone

  9. Fossa (ditch or trench) Shallow basin-like depression in a bone, often serving as an articular surface; temporal fossa

  10. Fossa

  11. Groove Furrow; mandible

  12. Head Bony expansion carried on a narrow neck; as of rib

  13. Line Narrow ridge of bone, less prominent than a crest

  14. Meatus (going, passage) Canal-like passageway (external auditory meatus)

  15. Notch Indentation at edge of structure

  16. Process Any bony projection or prominence

  17. Ramus Arm-like branch of bone that is a depression; mandible

  18. Sinus Bone cavity, filled w/air & lined w/mucous membrane

  19. Spine Sharp, slender, often pointed projection

  20. Trochanter Very large, blunt irregularly shaped process (femur only location)

  21. Tubercle Small rounded (wart-like) projection or process; adductor tubercle

  22. Tuberosity Large, rounded projection, may be roughened for muscle attachment (ex: behind last molar)

  23. Review

  24. condyle • A. armlike bar of bone; mandible • B. furrow; mandible • C. rounded articular projections; mandible

  25. crest • A. any bony prominence • B. narrow ridge of bone, usually prominent • C. large, rounded projection, may be roughened

  26. epicondyle • A. smooth, nearly flat articular surface; as of rib • B. raised area on or above a condyle • C. Small rounded projection or process; adductor tubercle

  27. facet • A. smooth, nearly flat articular surface; as of rib • B. rounded articular projection • C. bony expansion carried on a narrow neck; as of rib

  28. fissure • A. narrow, slit-like opening (inferior orbital) • B. furrow; mandible • C. indentation at edge of structure

  29. foramen • A. bone cavity, filled w/air & lined w/mucous membrane • B. round or oval opening through a bone • C. indentation at edge of structure

  30. fossa • A. bone cavity, filled w/air & lined w/mucous membrane • B. shallow basin-like depression in a bone, often serving as an articular surface; temporal fossa • C. indentation at edge of structure

  31. fossa

  32. groove • A. narrow, slit-like opening (inferior orbital) • B. furrow; mandible • C. rounded articular projections; mandible

  33. head • A. smooth, nearly flat articular surface; as of rib • B. any bony prominence • C. bony expansion carried on a narrow neck; as of rib

  34. line • A. narrow ridge of bone, less prominent than a crest • B. very large, blunt irregularly shaped process (femur only location) • C. Small rounded projection or process; adductor tubercle

  35. meatus • A. bone cavity, filled w/air & lined w/mucous membrane • B. canal-like passageway (external auditory meatus) • C. indentation at edge of structure

  36. notch • A. bone cavity, filled w/air & lined w/mucous membrane • B. round or oval opening through a bone • C. indentation at edge of structure

  37. process • A. smooth, nearly flat articular surface; as of rib • B. any bony prominence • C. sharp, slender, often pointed projection

  38. ramus • A. armlike bar of bone; mandible • B. furrow; mandible • C. rounded articular projections; mandible

  39. sinus • A. bone cavity, filled w/air & lined w/mucous membrane • B. canal-like passageway (external auditory meatus) • C. indentation at edge of structure

  40. spine • A. smooth, nearly flat articular surface; as of rib • B. raised area on or above a condyle • C. sharp, slender, often pointed projection

  41. trochanter • A. any bony prominence • B. very large, blunt irregularly shaped process (femur only location) • C. Small rounded projection or process; adductor tubercle

  42. tubercle • A. narrow ridge of bone, less prominent than a crest • B. raised area on or above a condyle • C. small rounded projection or process; adductor tubercle

  43. tuberosity • A. any bony prominence • B. narrow ridge of bone, usually prominent • C. large, rounded projection, may be roughened for muscle attachment (ex: behind last molar)

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