Fig. 6.5 Hierarchical structure of a long bone (Weiner & Wagner 1998). (a) Level 1: Major
components, nanocrystals, (b) Level 2: Mineralized collagen fibril, (c) Level 3: Fibril array, (d)
Level 4: Fibril array patterns, (e) Level 5: Cylindrical motifs: osteons, (f) Level 6: Spongy versus
compact bone, and (g) Level 7: whole bone
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components, nanocrystals, (b) Level 2: Mineralized collagen fibril, (c) Level 3: Fibril array, (d)
Level 4: Fibril array patterns, (e) Level 5: Cylindrical motifs: osteons, (f) Level 6: Spongy versus
compact bone, and (g) Level 7: whole bone
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Q. Feng