文档介绍：第三节损伤的修复
(Repair of Injury)
P52
损伤(injury)缺损(defect)修复(repair)
修复(repair)
机体对损伤所形成缺损进行修补恢复的过程。
Repair is a response to tissue injury and the process to restore integrity to an injured tissue by anism.
修复形式(Types of repair)
(regeneration)
同种组织完全再生
Repair by same tissue
(fibrous repair)
纤维结缔组织修复
Replacement by fibrous tissue
定义
由损伤部周围同种细胞来修复,称为再生(regeneration)
Repair by cells of same type
特点
完全恢复原组织结构及功能
一、再生(Regeneration)
再生的条件(Conditions)
① The ability of regeneration of parenchymal tissue is strong.
② Damage area is small and the stromal framework of the injured tissue is preservative well.
Complete regeneration
plete regeneration
组织的再生类型 ( Types of Regeneration )
生理性
Physiological Regeneration
病理性
Pathological Regeneration
组织的再生能力 (Regenerative potentials of tissues)
低等动物>高等动物(higher animal)
分化低>分化高(differentiation)
易受损伤和常更新组织(turnover)
动物的种类和组织分化能力(species)
anic evolution)
(一)细胞再生能力分类(Types)
(labile cells)
持续分裂细胞
再生能力强
表皮,粘膜上皮,间皮,
淋巴及造血细胞
Continuously dividing and dying
Covering epithelia
Hematopoietic cells(the bone marrow cells and the lymphoid cells)