1) Lysis 
(necro- + Gr. lysis dissolution) separation or exfoliation of tissue due to necrosis.
<pathology> Separation or exfoliation of tissue due to necrosis. ... Origin: Gr. Lysis = dissolution ... (18 Nov 1997) ... 
(nә-krol´ĭ-sis) separation or exfoliation of necrotic tissue. toxic epidermal necrolysis an exfoliative skin disease in which erythema spreads rapidly over the body, followed by blisters much like those seen in a second degree burn. It may be caused by drug reactions, ...
Type: Term Pronunciation: nĕ-krol′i-sis Definitions: 1. Necrosis and loosening of tissue.
Separation or peeling of tissue caused by cell death.
[n] - disintegration and dissolution of dead tissue
necrolysis 1. Necrosis and loosening of tissue. 2. Dissolution, separation, or exfoliation of dead tissue.
noun disintegration and dissolution of dead tissue