Necrosis - Necrosis Definition & Meaning

A pressure ulcer or bedsore consists of black tissue buildup with defined limits.

In necrosis, however, the body isn't prepared to remove the dead cells, and as a result, causes an inflammatory response.

The injuries received by the cell may compromise the lysosome membrane, or may initiate an unorganized chain reaction which causes the release in enzymes.

Infection can destroy surrounding tissues until they become necrotic, as can trauma like a car accident or fall from a ladder.

These black areas are necrotic, or affected by necrosis, and cannot be healed and are typically removed during surgery.

Surgical Dressings and Wound Management.

Basically, the result is a 'goo' of cell material with no shape remaining.

Recent data indicates that necrotic death occurs not only during pathological events but it is also a component of some process.

Coagulative necrosis can affect any tissues in the body except the brain.