11). Explain why myelinated nerve fibers conduct signals much faster than unmyelinated nerve fibers. 12). What is...

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Medical Sciences

11). Explain why myelinated nerve fibers conduct signals muchfaster than unmyelinated nerve fibers.
12). What is meant by the anterior (ventral) & posterior(dorsal) roots of a spinal nerve? Which of these is sensory &which is motor?
13. Contrast the composition and locations of gray matter &white matter in the brain.
20. ). If the oculomotor nerve or the trochlear nerve or theabducens nerve each was damaged, the effect would be similar in allthree cases. What would that effect be? Explain.

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11 The myelinated nerve fibers conduct signals much faster than unmyelinated nerve fibers because of the saltatory conduction which is the propagation of action potential from one node of Ranvier to the next node along the myelinated axons which thereby increase the conduction velocity of the action potential The nerve impulse jumps over the myelin areas and it travels much See Answer

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