Definition of perikaryon in English:

perikaryon

noun

Physiology
  • The cell body of a neuron, containing the nucleus.

    • ‘The presence of these nerve cells at the surface exposes them unduly to damage; it is estimated that 1 per cent of the fibers of the olfactory nerves (axons of olfactory neurons) is lost each year of life because of injury to the perikarya.’
    • ‘The perikarya of the unpaired ventral nerve cord are distributed over almost the entire length of a trunk segment.’
    • ‘The perikaryon of a microglial cell is irregular in shape, and, if elongated, the few processes emanate from both of its poles.’

Pronunciation:

perikaryon

/ˌpɛrɪˈkarɪən/