- death of a circumscribed portion of animal or plant tissue.
Origin of necrosis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for necrosis
- the death of one or more cells in the body, usually within a localized area, as from an interruption of the blood supply to that part
- death of plant tissue due to disease, frost, etc
C17: New Latin from Greek nekrōsis, from nekroun to kill, from nekros corpse
Word Origin and History for necrosis
"death of bodily tissue," 1660s, from Greek nekrosis "a becoming dead, state of death," from nekroun "make dead," from nekros "dead body" (see necro-). Related: Necrotic.
Online Etymology Dictionary, © 2010 Douglas Harper
- Death of cells or tissues through injury or disease, especially in a localized area of the body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The death of cells or tissues from severe injury or disease, especially in a localized area of the body. Causes of necrosis include inadequate blood supply (as in infarcted tissue), bacterial infection, traumatic injury, and hyperthermia.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.