section 3 the nervous pathways (神经传导路)

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1、Section3THENERVOUSPATHWAYS(神经传导路)A.TheSensory(Ascending)Pathways(感觉传导通路)B.TheVisualandPupillaryReflexesPathways(视觉传导通路和瞳孔对光反射通路)C.TheAcousticPathway(听觉传导通路)D.TheEquilibratoryPathway(平衡觉传导通路)E.TheMotor(Descending)Pathways(运动传导通路)SystematicAnatomy1DeptofAnatomy,MedicalC

2、ollege,QingdaoUniversityA.TheSensory(Ascending)Pathways1.Deep&discriminatorysensationProprioceptive(deep)sense(本体感觉):bodyposture,movement,vibrationandpressure.discriminatorysense(精细触觉):size,shape,textureandtwopointdiscrimination.SystematicAnatomy2DeptofAnatomy,Medica

3、lCollege,QingdaoUniversityReceptorsmusclespindlestendonspindlesPacini’scorpuscles(肌梭,腱梭,P小体)IIIMed.Lemniscus(内侧丘系)III丘脑皮质束(丘脑中央辐射)cerebralcentersCortexofthesup.andmiddlepartsofpostcentralgyrus.Posteriorpartofparacentrallobule(中央后回上中部皮质,中央旁小叶后部)Spinalnn.(脊N)(薄束T4,楔束T4

4、)(内侧丘系交叉)(薄束核,楔束核)(脊神经节)(丘脑腹后外侧核)(内囊后肢)(内弓状纤维)1)Consciousproprioceptivesensorypathways(意识性本体感觉传导通路)SystematicAnatomy3DeptofAnatomy,MedicalCollege,QingdaoUniversity1)ConsciousproprioceptivesensorypathwaysSystematicAnatomy4DeptofAnatomy,MedicalCollege,QingdaoUn

5、iversityReceptorsmusclespindlestendonspindlesPacini’scorpuscles(肌梭,腱梭,P小体)(脊N)(后根)I(脊神经节)II(后角固有核)cerebellarcentercortexofcerebellum(小脑皮质)ant.whitecommissure(脊髓白质前连合)thoracicnucleus(胸核)sup.cerebellarpeduncle(小脑上脚)脊髓小脑前束(小脑下脚)(脊髓小脑后束)2)unconsciousproprioceptivesensory

6、pathway(非意识性本体感觉传导通路)SystematicAnatomy5DeptofAnatomy,MedicalCollege,QingdaoUniversityReceptorsfreen.endings(痛)Krause'sendbulbs(冷)Ruffiniendorgans(热)III(脊髓丘系)(脊髓丘脑侧束)III丘脑皮质束(丘脑中央辐射)cerebralcentersCortexofthesup.andmiddlepartsofpostcentralgyrus.Posteriorpartofparacentr

7、allobule(中央后回上中部皮质,中央旁小叶后部)Spinalnn.(脊N)上升1-2节后外侧束(脊髓前白连合)(脊髓后角固有核)(脊神经节)(丘脑腹后外侧核)(内囊后肢)2.Superficialsensation1)PathwayofPain&ThermalsensationoftheTrunk&Limbs(躯干和四肢痛温觉传导通路)SystematicAnatomy6DeptofAnatomy,MedicalCollege,QingdaoUniversity1)PathwayofPain&Thermalsen

8、sationoftheTrunk&LimbsSystematicAnatomy7DeptofAnatomy,MedicalCollege,QingdaoUniversityReceptorsfreen.endings(痛)Krause'sendbu