Fig. 4From: Optimizing aseptic and serum milieu for the isolation of human whole umbilical cord tissue-derived mesenchymal stem cellsWhole umbilical cord-derived stem cells were plated to obtain a growth curve: a After 3 weeks 100% confluent in DMEM-F-12 medium with Hyclone Serum under 20X. b After 10 days 40% confluent in DMEM-F-12 medium with Hyclone Serum under 40X as observed under Nikon Ti-S phase contrast microscopeBack to article page