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. 2021 May 19;109(4):434–444. doi: 10.1007/s00223-021-00852-1

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Fig. 5 — Analysis of ECM orientation. a Distribution of the degree of the preferential apatite c-axis orientation determined as the diffracted peak intensity ratio of (002)/(310) along the bone longitudinal axis (n = 7). The apatite orientation showed a statistically significant position dependency (P < 0.01) using a one-way ANOVA. *indicates statistical significance between ROIs determined by a post hoc multiple comparison test (P < 0.05). b Schematics of oriented apatite/collagen structure with higher and lower degree of orientation