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Node of Ranvier occurs where...

Node of Ranvier occurs where

A

Nerve is covered with myelin sheath

B

Neurilemma is discontinuous

C

Neurilemma and myelin sheath are discontinuous

D

Myelin seath is discontinuous

Text Solution

Verified by Experts

The correct Answer is:
D

Node of Ranvier occurs where myelin sheath is discontinuous.
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Nodes of Ranvier occur in ………..

Nodes of Ranvier occur in non-myelinated nerve fibres.

Knowledge Check

  • Node of Ranvier occurs over

    A
    Muscle
    B
    Dendrite
    C
    Right auricle
    D
    Axon
  • Nodes of Ranvier occur in

    A
    Cell body
    B
    Right atrium
    C
    Right ventricle
    D
    Medullated nerve fibres.
  • Nodes of Ranvier are

    A
    areas of swellings of axons
    B
    areas where myelin sheath of nerve touches the axon
    C
    nodes formed in skeletal muscles
    D
    areas found in the stomach wall.
  • Similar Questions

    Explore conceptually related problems

    Write whethere the following statements are true or false : (a) Nodes of Ranvier occur in non-myelinated nerve fibres. (b) Hyaline cartilage stores fat. (c ) Single unit smooth muscle contract rhythmically. (d) Transitional epithelium prevents loss of blood. (e ) Fibrin is associated with blood clotting.

    Assertion: Node of Ranvier occur in myelin nerve fibre. Reason: Myelin sheath is discontinuous.

    Nodes of Ranvier are present in

    Which of the following statements is correct for node of Ranvier of nerve ?

    Passage of action potential from one node of Ranvier to the next is