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医学英语-MUSCULARSYSTEM知识点
OutlineFunctionsofthemuscularsystemThreedifferenttypesofmuscletissuesStructureoftheskeletalmusclefiberSlidingfilamentmodelofmusclecontractionMuscledisorders
ListanddescribefunctionsofmusclesIdentifythedifferencesamongthreetypesofmusclesDescribethestructureoftheskeletalmusclefiberDescribetheslidingfilamentmodleofmusclecontractionListanddescribemuscledisordersObjectivesBytheendofthissection,studentsshouldbeableto
IntroductionThemuscularsystemisthelargestsysteminthebody.?ourbodyweightcomesfrommuscles.Consistsofover600individualmuscles.Consists3differenttypesofmuscletissues.CardiacmuscleSmoothmuscleSkeletalmuscle
―Producemovementandmaintainposture―Pumpblood―Respiration―Protectinternalorgans―ProducebodyheatandregulatebodytemperatureFunctions
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MuscleTypesThreetypesofmusclesCardiacmuscleSmoothmuscleSkeletalmuscle
Cardiac[?kɑ:di:??k]心脏的Myocardium[?mai?u?kɑ:di?m]心肌
CardiacMuscleStriatedandbranchedSinglenucleusthatiscentrallylocatedMembranesofadjacentcellsfusedatintercalateddiscsInvoluntaryOnlyfoundinheart
Striation[strai?ei??n]条纹Intercalateddisk[in?t?:k?leitid][disk]闰盘
CardiacMuscle
SmoothMuscleNon-striatedSpindle-shapedcellsSinglenucleusthatiscentrallylocatedInvoluntaryFoundmainlyinthewallsofholloworgans
SmoothMuscle
StriatedMultinucleatecellsthatareperipherallylocatedVoluntaryAttachedtoboneofskeletonSkeletalMuscle
SkeletalMuscleStriation
StructureofSkeletalMuscleFascia
Fascia[?f??i:?]筋膜Fascicle[?f?sikl]肌束Myofibril[?mai?u?faibril]肌原纤维
SkeletalMuscle3layersofconnectivetissueEpimysiumPerimysiumEndomysium
Epimysium[?epi?mizi?m]
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