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. 2020 Feb 19;8:83. doi: 10.3389/fcell.2020.00083

FIGURE 8.

FIGURE 8

Fetal skeleton examination and maternal serum bone turnover biomarker levels. (A) The whole skeleton staining of fetal rats, red region stained for calcified bone structure, and blue region stained for cartilages. (B) The graph shows the average length of representative fetal bone structures in Pregnant group (n = 83, 10 l) and Alendronate group (n = 77, 10 l). (C–E) Bar-chart reporting serum levels of biomarker for bone turnover. (C) Osteocalcin and (D) PINP for bone formation and (E) Pyridinium for bone resorption, respectively. P < 0.05, ∗∗P < 0.01, ∗∗∗P < 0.001. PINP, type I collagen amino-terminal propeptide.