揚州大学Chapter 10. Nervous SystemAll figures are from internet, textbooks and papers, all rights reserved to the originalauthors
Chapter 10. Nervous System All figures are from internet, textbooks and papers, all rights reserved to the original authors
ParietalCeritralobosulcusOutlineOccipitalloboiewoftheNervousSystemfopaoeStructureandFunctionofNeuronsSynapsesSection C.Control of Body MovementSonactsrootsDorsaAutonomicNervousSystemMuscleverwHigherFunctionofNervousSystVerl
Outline • Overview of the Nervous System • Structure and Function of Neurons • Synapses • Section C. Control of Body Movement • Autonomic Nervous System • Higher Function of Nervous System
How do they achieve these movements?tupian.baike.comforum.eedu.org.cn
How do they achieve these movements? tupian.baike.com forum.eedu.org.cn
OutlineMotor control hierarchy Local control of motor neurons. The Brain Motor Centers and the DescendingPathways They Control
Outline • Motor control hierarchy • Local control of motor neurons • The Brain Motor Centers and the Descending Pathways They Control
Control of Body MovementsAlphaMotor unitmotorneuronOne motor neuron together with all theMotorskeletalmuscle fibers thatthis neuronunitinnervatesMusclefibers1motorneuron~nmusclefibers1axon~1musclefiber(a) Motor neuron poolMotorneuronpoolAll the motor neurons that supply a givenmuscle-Muscle1muscle~nmotorneurons(b)
Control of Body Movements • Motor unit One motor neuron together with all the skeletal muscle fibers that this neuron innervates 1 motor neuron ~ n muscle fibers 1 axon ~ 1 muscle fiber • Motor neuron pool All the motor neurons that supply a given muscle 1 muscle ~ n motor neurons