Fig. 6From: Bioceramic hydroxyapatite-based scaffold with a porous structure using honeycomb as a natural polymeric Porogen for bone tissue engineeringMorphology and porous structure of (a) HA + HCB 0 wt% (no pores), (b) HA + HCB 10 wt%, (c) HA+ HCB 20 wt%, and (d) HA + HCB 30 wt % (The white arrows indicated the HCB induces macropores)Back to article page