skeletal system
DESCRIPTION
Skeletal System. Axial Skeleton Anatomy. Anterior view of skull. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones. Lateral view of skull. Sphenoid bone: keystone bone because it touches all other cranial bones - PowerPoint PPT PresentationTRANSCRIPT
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Skeletal System
Axial Skeleton Anatomy
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Anterior view of skull
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The skull8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid14 facial bones
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Lateral view of skull
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Sphenoid bone: keystone bone because it touches all other cranial bonesSella turcica – holds the pituitary glandEthomoidCristal galli and cribriform plates hold the olfactory bulb (nerves)
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Superior View of Skull after transverse cut.
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Medial view of skull
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Inferior view of skull
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Figure 6.12c
Sinuses: Special openings that lighten the skull, warm and moisten air
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Hyoid bone – only bone that doesn’t articulate with another boneAnchors the tongue.
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Hyoid and Cervical vertebra
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Bone Markings of Vertebra
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Atlas and Axis (C1 and C2)
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Thoracic and Lumbar vertebra
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Sacrum and Coccyx – fused vertebra
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Ribs (12 pair)True (7) connect directly to sternum via coastal cartilageFalse (3) connect indirectlyFloating (2) don’t connect
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