chromatolysis
- The disintegration of the granules of chromophil substance (Nissl bodies) in a nerve cell body that may occur after exhaustion of the cell or damage to its peripheral process; other changes considered part of c. include swelling of the perikaryon and shifting of the nucleus from its central position to the periphery. SYN: chromatinolysis, chromolysis, tigrolysis. [chromato- + G. lysis, dissolution]- retrograde c. SYN: central c..- transsynaptic c. SYN: transsynaptic degeneration.
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chro·ma·tol·y·sis .krō-mə-'täl-ə-səs n, pl -y·ses -.sēz the dissolution and breaking up of chromophil material (as chromatin) of a cell and esp. a neuronchro·mato·lyt·ic krō-.mat-əl-'it-ik, krə- adj* * *
n.the dispersal or disintegration of the microscopic structures within the nerve cells that normally produce proteins. It is part of the cell's response to injury.* * *
chro·ma·tol·y·sis (kro″mə-tolґə-sis) [chromato- + -lysis] disintegration of the Nissl (chromophil) bodies of a nerve cell as the result of injury, or of fatigue or exhaustion; a part of the axon reaction (q.v.).
Medical dictionary. 2011.
Look at other dictionaries:
Chromatolysis — is the dissolution of the Nissl bodies in the cell body of a neuron. It is an induced response of the cell usually triggered by axotomy (severing or damaging of the axon), ischemia, toxicity to the cell, cell exhaustion, virus infections, and… … Wikipedia
chromatolysis — [krō΄mətäl′ə sis] n. pl. chromatolyses [krō΄mə tual′əsēz΄] [ CHROMATO + LYSIS] Med. the disappearance of certain chromophil granules from nerve cells chromatolytic [krō mat΄ə lit′ik] adj … English World dictionary
chromatolysis — noun Etymology: New Latin Date: 1901 the dissolution and breaking up of chromophil material (as chromatin) of a cell and especially a nerve cell • chromatolytic adjective … New Collegiate Dictionary
chromatolysis — n. [Gr. chroma, color; lysein, to loosen] The solution and breaking up of chromatin; chromatolytic adj … Dictionary of invertebrate zoology
chromatolysis — chromatolytic /kreuh mat l it ik, kroh meuh tl it /, adj. /kroh meuh tol euh sis/, n. Cell Biol., Pathol. the dissolution and disintegration of chromatin. [1900 05; CHROMATO + LYSIS] * * * … Universalium
chromatolysis — n. dissolution and break down of chromatin (Chemistry) … English contemporary dictionary
chromatolysis — chro·ma·tol·y·sis … English syllables
chromatolysis — n. the dispersal or disintegration of the microscopic structures within the nerve cells that normally produce proteins. It is part of the cell s response to injury … The new mediacal dictionary
chromatolysis — /kroʊməˈtɒləsəs/ (say krohmuh toluhsuhs) noun the dissolution and disintegration of chromatin … Australian English dictionary
chromatolysis — … Useful english dictionary
