1. Regeneration in nature

• Outstanding Examples

– Sea star海星

– Crayfish淡水鳌虾

– Embryos

• Inverse Relationship

– Increase complexity

– Decrease regenerative ability

2. Regeneration in Humans

• According to the classification of regenerative capacity
• High
• Moderate
• Low

3. Clinical Needs

• Cardiovascular心血管的

– Myocardial infarction心肌梗塞

– Stroke

• Bone

– Non-union fractures非愈合性骨

– Tumor resections肿瘤切除