the skeleton system
DESCRIPTION
The Skeleton System. Introduction The Axial Skeleton The Appendicular Skeleton. The Axial Skeleton. The Skull Cranium Face The Vertebral Column Cervical Vertebrae Thoracic Vertebrae Lumbar Vertebrae Sacrum Coccyx The Thoracic Cage Sternum Ribs. The Axial Skeleton. - PowerPoint PPT PresentationTRANSCRIPT
The Skeleton SystemThe Skeleton System
IntroductionIntroduction The Axial SkeletonThe Axial Skeleton The Appendicular SkeletonThe Appendicular Skeleton
The Axial SkeletonThe Axial Skeleton
The SkullThe Skull CraniumCranium FaceFace
The Vertebral ColumnThe Vertebral Column Cervical VertebraeCervical Vertebrae Thoracic VertebraeThoracic Vertebrae Lumbar VertebraeLumbar Vertebrae SacrumSacrum CoccyxCoccyx
The Thoracic CageThe Thoracic Cage SternumSternum RibsRibs
The Axial SkeletonThe Axial Skeleton
Learning ObjectivesLearning Objectives
• TheThe SkullSkull:: Identify the bones of the craniumIdentify the bones of the cranium Identify the facial bonesIdentify the facial bones
• TheThe VertebralVertebral ColumnColumn:: Identify the bones of the vertebral Identify the bones of the vertebral
columncolumn
• TheThe ThoracicThoracic CageCage:: Identify the bones of the thoracic Identify the bones of the thoracic
cagecage
The SkullThe Skull
• Cranial BonesCranial Bones
• Facial BonesFacial Bones
The Skull: Cranial & Facial The Skull: Cranial & Facial DivisionsDivisions
Cranial BonesCranial Bones
• Occipital bone*Occipital bone*• Frontal bone*Frontal bone*• Parietal bonesParietal bones• Temporal bones*Temporal bones*• Sphenoid bone*Sphenoid bone*• Ethmoid bone*Ethmoid bone*
SkullSkull
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Cranial & Facial BonesCranial & Facial Bones
Cranial & Facial BonesCranial & Facial Bones
SkullSkull
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Cranial & Facial BonesCranial & Facial Bones
Cranial & Facial BonesCranial & Facial Bones
Cranial & Facial BonesCranial & Facial Bones
Cranial & Facial BonesCranial & Facial Bones
Skull BonesSkull Bones
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Cranial SuturesCranial Sutures
• Coronal sutureCoronal suture btw/ frontal bone & parietalsbtw/ frontal bone & parietals
• Sagittal sutureSagittal suture btw/ parietal bonesbtw/ parietal bones
• Lambdoidal sutureLambdoidal suture btw/ parietals & occipitalbtw/ parietals & occipital
• Squamosal sutureSquamosal suture btw/ parietals & temporalsbtw/ parietals & temporals
Cranial SuturesCranial Sutures
Suture DevelopmentSuture Development
Infant SkullInfant Skull
Occipital BoneOccipital Bone
Frontal BoneFrontal Bone
Parietal BonesParietal Bones
Temporal BonesTemporal Bones
Sphenoid BoneSphenoid Bone
Ethmoid BoneEthmoid Bone
Facial BonesFacial Bones
• Maxillary bones*Maxillary bones*• Palatine bones*Palatine bones*• Nasal bonesNasal bones• VomerVomer• Inferior nasal chonchaeInferior nasal chonchae• Zygomatic bonesZygomatic bones• Lacrimal bonesLacrimal bones• Mandible*Mandible*• Hyoid bone*Hyoid bone*
Cranial & Facial BonesCranial & Facial Bones
Cranial & Facial BonesCranial & Facial Bones
Facial BonesFacial Bones
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Maxillary & Maxillary & Palatine BonesPalatine Bones
Vomer; Inferior Nasal Vomer; Inferior Nasal Conchae; Lacrimals Conchae; Lacrimals
Zygomatic Bones Zygomatic Bones
MandibleMandible
Hyoid BoneHyoid Bone
Bones of the OrbitBones of the Orbit
Orbital ComplexOrbital Complex
Nasal ComplexNasal Complex
Paranasal SinusesParanasal Sinuses
• FrontalFrontal sinuses sinuses– Frontal bone of craniumFrontal bone of cranium
• MaxillaryMaxillary sinuses sinuses– Maxillary bone of faceMaxillary bone of face
• SphenoidSphenoid sinuses sinuses– Sphenoid bone of craniumSphenoid bone of cranium
• EthmoidEthmoid sinuses sinuses– Ethmoid bone of craniumEthmoid bone of cranium
• PalatinePalatine sinuses sinuses– Palatine bone of facePalatine bone of face
The Vertebral ColumnThe Vertebral Column
• CervicalCervical VertebraeVertebrae• ThoracicThoracic VertebraeVertebrae• LumbarLumbar VertebraeVertebrae
• SacrumSacrum• CoccyxCoccyx
Vertebral ColumnVertebral Column
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Spinal Column CurvatureSpinal Column Curvature
Vertebral Column & Rib CaVertebral Column & Rib Cagege
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Vertebral AnatomyVertebral Anatomy
Cervical Vertebrae: Cervical Vertebrae: C1 – C7C1 – C7
Cervical VertebraeCervical Vertebrae
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Atlas & Axis BonesAtlas & Axis Bones
Atlas & AxisAtlas & Axis
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Thoracic Vertebrae:Thoracic Vertebrae:T1 – T12T1 – T12
Thoracic VertebraeThoracic Vertebrae
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Lumbar Vertebrae:Lumbar Vertebrae:L1 – L5L1 – L5
Lumbar VertebraeLumbar Vertebrae
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Sacrum:Sacrum:Fusion of 5 VertebraeFusion of 5 Vertebrae
Coccyx:Coccyx:Fusion of 3-5 VertebraeFusion of 3-5 Vertebrae
Sacrum & CoccyxSacrum & Coccyx
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The Thoracic CageThe Thoracic Cage
• Costal BonesCostal Bones
• SternumSternum
Costal BonesCostal Bones
• True ribsTrue ribs superior superior 7 pairs7 pairs attached to vertebral column & directly to attached to vertebral column & directly to
sternumsternum
• False ribsFalse ribs inferior inferior 5 pairs5 pairs attach to vertebral column; but, indirectly attach to vertebral column; but, indirectly
to sternumto sternum
• Floating ribsFloating ribs last last 2 pairs2 pairs of false ribs of false ribs attach only to vertebral columnattach only to vertebral column
Thoracic CageThoracic Cage
Costal BonesCostal Bones
SternumSternum
• ManubriumManubrium superior superior attached to clavicles & 1attached to clavicles & 1stst pair of ribs pair of ribs
• BodyBody breastbreast bonebone attach to rib pairs 2 – 7 via costal cartilageattach to rib pairs 2 – 7 via costal cartilage
• Xiphoid processXiphoid process attaches to diaphragm & abdominal attaches to diaphragm & abdominal
musclesmuscles
Thoracic CageThoracic Cage
Vertebral Column & Rib CaVertebral Column & Rib Cagege
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