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Jaw Jerk Reflex




As with most other reflexes, the response to the stimulus is Monosynaptic , with sensory Neurons of the trigeminal mesencephalic nucleus sending Axon s to the trigeminal motor nucleus, which in turn innervates the Masseter . This reflex is used to judge the integrity of the upper motor neurons projecting to the trigeminal motor nucleus. Both the sensory and motor aspects of this reflex are subserved by CN V.


REFERENCES

  • Nolte, J. ''The Human Brain'', 5th ed. Mosby: Missouri; 2002, p.307. ISBN 0323013201

  • Blumenfeld, H. ''Neuroanatomy Through Clinical Cases''. Sinauer Associates: Massachusetts; 2002, p. 484. ISBN 0878930604