Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
degeneration of the cell body occurring after transection of the axon; characterized by dispersion of the granular endoplasmic reticulum, swelling of the soma, and movement of the nucleus to an eccentric position in the cell.
Nerve cell degeneration after division of the axon.
See also: Nissl, Franz
Nissl,Franz, German neurologist, 1860-1919.
Nissl bodies - Synonym(s): Nissl substance
Nissl degeneration - cell body degeneration occurring after transection of the axon.
Nissl granules - Synonym(s): Nissl substance
Nissl methods - staining techniques.
Nissl stain - a method for staining nerve cells.