Fig. 5From: Optimizing aseptic and serum milieu for the isolation of human whole umbilical cord tissue-derived mesenchymal stem cellsMorphological features of stem cells grew in culture medium with Gibco’s NBCS: a After 10–12 days of primary culture, spindle-shaped fibroblast-like cells appear as seen under phase contrast microscope Olympus 1X73 under 20X magnification. b Sprouting and cell growth after 4 weeks and above observed under 20X magnification c On 6–8 weeks observed under 20X magnificationBack to article page