Microsoft PowerPoint - Chapter 3 Neuronal Physiology

Microsoft PowerPoint - Chapter 3 Neuronal physiology

http://dc140.4shared.com/doc/FHj4tyld/preview.html[03/07/2012 14:19:58]

RapeeRapee BoonplueangBoonplueang, Ph.D., Ph.D.B 414,B 414,Biology Building, Biology Building, PhyathaiPhyathaiCampusCampus

Tel: Tel: 00--22012201--54825482,, email: email: [email protected]@mahidol.ac.th



TextbooksTextbooksSherwood, L., 2004. Human Physiology, 5Sherwood, L., 2004. Human Physiology, 5thth edition.edition.Sherwood, L., 2007. Human Physiology, 6Sherwood, L., 2007. Human Physiology, 6thth edition.edition.Campbell, N.A. and Reece, J.B., 2008. Biology, 8Campbell, N.A. and Reece, J.B., 2008. Biology, 8thth

edition. edition. Berne, R.M. et al., 2003. Physiology, 5Berne, R.M. et al., 2003. Physiology, 5thth edition. edition.

Further readings:Further readings:Other Biology textbooksOther Biology textbooks



InternetInternet

OutlineOutlineMembrane potentialMembrane potentialGraded potentialGraded potentialAction potentialAction potentialSynapses and neuronal integrationSynapses and neuronal integration



Organization of nervous systemOrganization of nervous system



Organization of nervous system





• The nervous system is composed of primarily neurons and glia.



• Glial cells out-number neurons by 10-50:1.

Neuron structureNeuron structure



Functional unit of the nervous systemFunctional unit of the nervous systemBasic structure, a cell body with several dendrites and one longBasic structure, a cell body with several dendrites and one longaxonaxonInformation flows from the cell body to the axon terminalsInformation flows from the cell body to the axon terminals



Signal transmission in neuronsSignal transmission in neuronsResting potential

Graded potential

Action potential

Synaptic activity



Membrane potentialMembrane potential



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Microsoft PowerPoint - Chapter 3 Neuronal Physiology