Another clearly visible element of the individual nerves is indicated on the image by black arrows. These arrows indicate positions of ''nodes of Ranvier'' and represents the point at which two Schwann cells meet along the length of the axon. The histologic appearance of a node is as a constriction of the neurilemma. | Another clearly visible element of the individual nerves is indicated on the image by black arrows. These arrows indicate positions of ''nodes of Ranvier'' and represents the point at which two Schwann cells meet along the length of the axon. The histologic appearance of a node is as a constriction of the neurilemma. |