Bones of the Appendicular Skeleton Forensic Anthropology

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Transcript of Bones of the Appendicular Skeleton Forensic Anthropology

  • Slide 1
  • Slide 2
  • Bones of the Appendicular Skeleton Forensic Anthropology
  • Slide 3
  • Parts of the Skeletal System Axial skeleton Skull, vertebral column, ribs Appendicular skeleton Upper & lower limb bones, pectoral & pelvic girdles
  • Slide 4
  • Slide 5
  • Clavicle
  • Slide 6
  • Scapula
  • Slide 7
  • Costals (Ribs)
  • Slide 8
  • Sternum
  • Slide 9
  • Thoracic Cage True ribs (pairs 1 7) False ribs (pairs 8 12) Floating ribs (pairs 11 12) Parts of Sternum: Manubrium Body Xiphoid Process
  • Slide 10
  • Vertebra
  • Slide 11
  • Humerus
  • Slide 12
  • Ulna
  • Slide 13
  • Radius
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  • Sternum Clavicle Scapula Costals (Ribs) Humerus Vertebra Ulna Radius
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  • Sacrum
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  • Sacrum & Coccyx
  • Slide 18
  • Ilium
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  • Ischium
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  • Pubis
  • Slide 21
  • 1. Sacrum 8. Coccyx 2. Ilium 3. Ischiuim 4. Pubis6. Acetabulum 7. Obturator Foramen
  • Slide 22
  • Femur
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  • Patella
  • Slide 24
  • Tibia
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  • Fibula
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  • Ilium Ischium Femur Fibula Sacrum Pubis Patella Tibia
  • Slide 27
  • Bones of the Hand
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  • Carpels Bones of the Hand
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  • Metacarpels Carpels Bones of the Hand
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  • Phalanges Metacarpels Carpels Bones of the Hand
  • Slide 31
  • Bones of the Foot
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  • Tarsals
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  • Bones of the Foot Metatarsals Tarsals
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  • Bones of the Foot Phalanges Metatarsals Tarsals
  • Slide 35
  • FORENSIC ANTHROPOLOGY The Tales that Bones Tell
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  • Forensic Anthropology = Analysis of skeletal remains within a legal investigation Physical anthropologist = osteologist Training = BS physical anthropology MS osteology
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  • Biological Identity (who was it?) Age Sex Previous injuries Cause of death Race Stature/weight
  • Slide 38
  • Approximate Age? IN CHILDREN: The cranium is much larger in relation to the face and mandible The mandible and maxilla become larger as permanent molars begin to erupt Child 4 years old
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  • Fusing of Skull Appearance of sutures can give approximate age In infants there are large gaps which close slowly over time
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  • Head of Femur: 19 20 years Part of hip: 24 years Female bones stop growing in length usually 1-2 years before male bones Epiphyseal Fusion
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  • Other factors telling about age Bone density - drops after 40 Pelvic joint morphology- ridge detail wears out over time Dental changes
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  • Skull & pelvis are the two most sexually dimorphic areas
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  • Slide 44
  • Appendicular Skeleton Activity Excellent site to study: http://www.getbodysmart.com/ap/skeletalsyst em/skeleton/menu/menu.html