Repair of tissue damage repair of tissue damage injury tissue and cells abrasion tissue loss restore repair department of pathology During repair, the injured tissue is replaced by regeneration of native parenchymal cells completely restore (completely regeneration) by filling of the defect with fibroblast scar tissue fibrous scar restore (pletely regeneration) department of pathology Section 1: Regeneration one cell divided tow cells physiological --- normal pathological --- abnormal department of pathology cycle: essive phases of a cell through its cycle of replication are define with reference to DNA synthesis and cellular division. department of pathology M G1 S G2 G0 Cell cycle department of pathology cellular division department of pathology
capacity of cells: divided into three groups ⅰ. labile cells ⅱ. stable cells ⅲ. permanent cells: department of pathology permanent cells: normally divide only during fetal life and they cannot be replaced when lose. nerve cell skeletal muscles cells cardiac muscles cells department of pathology nerve cell cardiac muscles cells skeletal muscles cells department of pathology