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1、Copyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsTheSkeletalSystemTheSkeletalSystemSlide5.1Copyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsPartsoftheskeletalsystemBones(skeleton)JointsCartilagesLigaments(bonetobone)(tendon=bonetomuscle)DividedintotwodivisionsAxia
2、lskeletonAppendicularskeleton–limbsandgirdleFunctionsofBonesSlide5.2Copyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsSupportofthebodyProtectionofsoftorgansMovementduetoattachedskeletalmusclesStorageofmineralsandfatsBloodcellformationBonesoftheHumanBodySlide5.3Copyright?2003Pear
3、sonEducation,Inc.publishingasBenjaminCummingsTheskeletonhas206bonesTwobasictypesofbonetissueCompactboneHomogeneousSpongyboneSmallneedle-like piecesofboneManyopenspacesFigure5.2bClassificationofBonesSlide5.4aCopyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsLongbonesTypicallylong
4、erthanwideHaveashaftwithheadsatbothendsContainmostlycompactboneExamples:Femur,humerusClassificationofBonesSlide5.4bCopyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsShortbonesGenerallycube-shapeContainmostlyspongyboneExamples:Carpals,tarsalsClassificationofBonesontheBasisofShape
5、Slide5.4cCopyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsFigure5.1ClassificationofBonesSlide5.5aCopyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsFlatbonesThinandflattenedUsuallycurvedThinlayersofcompactbonearoundalayerofspongyboneExamples:Skull,ribs,sternumClassi
6、ficationofBonesSlide5.5bCopyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsIrregularbonesIrregularshapeDonotfitintootherboneclassificationcategoriesExample:VertebraeandhipClassificationofBonesontheBasisofShapeSlide5.5cCopyright?2003PearsonEducation,Inc.publishingasBenjaminCumming
7、sFigure5.1GrossAnatomyofaLongBoneSlide5.6Copyright?2003PearsonEducation,Inc.publishingasBenjaminCummingsDiaphysisShaftComposedofcompactboneEpiphysisEndsoftheboneComposedmostlyofspongyboneFigure5.2aStructuresofaLongBoneSlide5.7Copyright?2003PearsonE
