Fig. 2From: Oral ulcer treatment using human tonsil-derived mesenchymal stem cells encapsulated in trimethyl chitosan hydrogel: an animal model studyCharacterization of isolated hTMSCs. (A) Microscopic observation image of cultured tonsil-derived mesenchymal stem cells. (B) Flow cytometry analysis demonstrated the presence of mesenchymal stem cell markers, including CD90 and CD105, while the hematopoietic marker CD34 was not detected in the cellsBack to article page