The Axial Skeleton
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Transcript of The Axial Skeleton
The Axial Skeleton
Honors Anatomy & PhysiologyThe Axial SkeletonSkeletal Divisions206 separate bones + cartilages
Axial Skeleton (80 bones)Skull (22 bones) + 7 associated bonesThoracic Cage (24 ribs + sternum)Vertebral Column (26 bones)
Appendicular Skeleton (126 bones)Limb bonesPectoral and pelvic girdles
The Skull
Paranasal Sinuses: Mucosal lined air cavities that lighten the skull and resonate sound, mucusal secretions are released into the nasal cavity
Anterior View
Superior View
The Skull
Newborn Skull
The Thoracic Cage
The Vertebral Column7 Cervical vertebraeAtlas C1 (yes)No bodyAxis C2 (no)dens12 Thoracic vertebraeArticulate with ribs5 Lumbar vertebraeLargestSacrum and coccyx fused together
Atlas and Axis
Typical Vertebrae
Sacrum and Coccyx
HomeworkWrite 1 paragraph explainingCompare Scoliosis, Lordosis and KyphosisWhat are theyHow treatedHow compareInclude works cited