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Physiology

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Nerve Muscle Physiology

Question
19 out of 24
 

Renshaw cell inhibition is an example of (DNB Pattern)



A Feed — forward inhibition

B Oscillating motor activity

C Circuitry for bio feedback inhibition

D All of the above

Ans. C Circuitry for bio feedback inhibition

a. Renshaw cell inhibition: - Negative - feed back inhibition of a spinal motor neuron via an inhibitory interneurons (Renshaw cell). It is also called Recurrent inhibition Q. Interneuron releases glycineQ which inhibitory in function. .

b. Feed - forward inhibition: - seen in the cerebellum, stimulation of basket cells produced IPSP, in the Purkinje cells. Q However, the basket cells and the Purkinje cells are excited by the same parallel ­fiber excitatory input. This arrangement, which has been called "feed forward inhibtion.

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