Chromatolysis

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Chromatolysis

Chromatolysis (pronounced: kroh-muh-TOL-uh-sis) is a process that occurs in nerve cells where the Nissl bodies (rough endoplasmic reticulum) disperse following axonal injury. The term is derived from the Greek words "chroma" meaning color and "lysis" meaning loosening.

Etymology

The term "chromatolysis" is derived from the Greek words "chroma" meaning color and "lysis" meaning loosening. This is due to the characteristic dispersion of the Nissl bodies, which are stained a different color in histological preparations, during the process.

Process

Chromatolysis is characterized by the dispersion of the Nissl bodies and the movement of the nucleus towards the periphery of the cell. This process is often associated with the regeneration of the axon following injury. The dispersion of the Nissl bodies is thought to provide the necessary materials for the regeneration process.

Related Terms

  • Nissl bodies: These are rough endoplasmic reticulum found in nerve cells. They are involved in protein synthesis and are dispersed during chromatolysis.
  • Axon: This is a long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body.
  • Neuron: This is a nerve cell that is the basic building block of the nervous system. Neurons are specialized to transmit information throughout the body.

See Also

External links

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