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1、Department of PathologyStem CellStem CellnSelf-renewal: proliferation without a change in phenotypenDifferentiation: changing into a new phenotype Characteristics of stem cellsBased on differentiation potentialnTotipotent stem cellsnMultipotent stem cellsnUnipotent stem cellsClassification of stem c
2、ellsBased on originnEmbryonic stem cells (totipotent)nAdult-derived stem cells (multipotent or unipotent) neuronal stem cells; mesenchymal stem cellsniPS cells(induced totipotent/pluripotent stem cells)Classification of stem cellsTermsnTransdifferentiation: to adult-derived stem cellsnDedifferentiationnRegenerative medicinenDegenerative diseaseTermsn-cyto adipocyte; osteocyte; chondrocyte; tenocyte; myocyte; cardiomyocytenGraft-versus-host diseasenTerminally differentiation