Anatomy A215 Virtual Microscopy
Peripheral Nerve - Longitudinal Section
 
 

Neurolemmocytes (or Schwann cells) wrap around an axon to form a myelin sheath, and are arranged sequentially along its length.

Where adjacent neurolemmocytes cells meet, a narrow gap (neurofibral node or node of Ranvier) is seen in the myelin sheath, appearing in this PERIPHERAL NERVE - LONGITUDINAL SECTION slide as an indentation or a thin line perpendicular to the axon.
 

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