Low-Power Ultrasounds as a Tool to Culture Human Osteoblasts inside Cancellous Hydroxyapatite

Figure 2

SEM image of the static culture, bar equal to 30 𝜇m. The osteoblasts are in the “backscattered depressions” near the juxtaposed asterisks: at the end of the culture period, statically cultured cells were few and, essentially, not surrounded by extracellular matrix; therefore, wide biomaterial regions remained devoid of cell-matrix complexes.