(三)BV Iregeneration1. Capillary: EC buddingproteolytic degradation of BM→EC↑→budding→maturation of EC →secretecollagen IV,laminin,fibronectin →BM2.Large BV EC proliferationSMC →CT proliferation
(三) BV regeneration 1. Capillary: EC budding proteolytic degradation of BM →EC↑ →budding →maturation of EC →secrete collagen IV, laminin, fibronectin →BM 2. Large BV EC proliferation SMC →CT proliferation
Regeneration of capillary
Regeneration of capillary
(四）Cartilageandbonetissue1.Cartilage:proliferation capacity (chondroblast))2.Bone: proliferation capacity个 (osteoblast)(五)muscleregenerationMuscletissue:lower regenerative capacityMuscle fiber spilt completely →FT↑→scar（六）NervoustissueNC can't regenerationreplaced by glial cell → glial scar
(四) Cartilage and bone tissue 1. Cartilage: proliferation capacity (chondroblast)↓ 2. Bone: proliferation capacity↑ (osteoblast) (五) muscle regeneration Muscle tissue: lower regenerative capacity Muscle fiber spilt completely →FT↑→scar (六) Nervous tissue NC can’t regeneration replaced by glial cell → glial scar
(4)神经纤维的再生：神经鞘细胞增生--连接毁断神经纤维处---神经轴长入神经膜细胞增正常神经纤维神经纤维断离，远端及近端神经轴突达末梢，的一部分髓鞘及轴突朋解生，轴突生长多余部分消失
(4) 神经纤维的再生：神经鞘细胞增生- 连接毁断神经纤维处-神经轴长入 正常神经纤维 神经纤维断离，远端及近端 的一部分髓鞘及轴突崩解 神经膜细胞增 生，轴突生长 神经轴突达末梢， 多余部分消失