Which of the following statements is true reg | vedclass

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(B) The Nodes of Ranvier are periodic gaps in the myelin sheath of axons. These gaps occur where the myelin sheath is absent,exposing the axonal membr

Vedclass · Accepted Answer

The myelin sheath is discontinuous.

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(B) The Nodes of Ranvier are periodic gaps in the myelin sheath of axons. These gaps occur where the myelin sheath is absent,exposing the axonal membrane to the extracellular fluid. This allows for saltatory conduction,where the nerve impulse 'jumps' from one node to the next,significantly increasing the speed of signal transmission. The neurilemma (sheath of Schwann) remains continuous over the nodes.

Which of the following statements is true regarding the Nodes of Ranvier?

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