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the claim

The bone matrix is composed of tough protein fibers, mainly collagen, that are mineralized with calcium crystals.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that the bone matrix is composed of tough protein fibers, mainly collagen, that are mineralized with calcium crystals?

Yes. Multiple studies substantiate that bone tissue consists of an organic matrix made primarily of collagen protein fibers that become mineralized with calcium-based crystals.

Verdict: SUPPORTED · 5 sources for, 0 against · Last checked

The analysis

The retrieved papers consistently describe bone matrix as containing a major organic component of type I collagen fibers which undergo biomineralization via calcium and phosphate deposits to form hydroxyapatite. Therefore, the claim is well supported.

Evidence for · 5
Matrix Vesicle-Mediated Mineralization and Osteocytic Regulation of Bone Mineralization
2022
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Hasegawa, T., Hongo, H., Yamamoto, T., Abe, M., Yoshino, H., Haraguchi-Kitakamae, M., Ishizu, H., Shimizu, T., Iwasaki, N., & Amizuka, N. (2022). Matrix Vesicle-Mediated Mineralization and Osteocytic Regulation of Bone Mineralization. doi.org. https://doi.org/10.3390/ijms23179941

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More for · 4
Highly aligned hierarchical intrafibrillar mineralization of collagen induced by periodic fluid shear stress.
2020
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Du, T., Niu, X., Hou, S., Xu, M., Li, Z., Li, P., & Fan, Y. (2020). Highly aligned hierarchical intrafibrillar mineralization of collagen induced by periodic fluid shear stress.. doi.org. https://doi.org/10.1039/c9tb02643f

Coupling of Intracellular Calcium Homeostasis and Formation and Secretion of Matrix Vesicles: Their Role in the Mechanism of Biomineralization
2025
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Margiotta, A. (2025). Coupling of Intracellular Calcium Homeostasis and Formation and Secretion of Matrix Vesicles: Their Role in the Mechanism of Biomineralization. doi.org. https://doi.org/10.3390/cells14100733

The Effect of Collagen Matrix on Calcium Phosphate Mineralization
2008
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Allegretti, L. & Bertran, C. A. (2008). The Effect of Collagen Matrix on Calcium Phosphate Mineralization. doi.org. https://doi.org/10.4028/www.scientific.net/kem.396-398.195

Proteoglycans and Biomineralization of Bone and Dentin.
2026
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VE, A., V, B., IZ, G., & LS, C. (2026). Proteoglycans and Biomineralization of Bone and Dentin.. doi.org. https://doi.org/10.1369/00221554261478974

What does the evidence say?

The retrieved papers consistently describe bone matrix as containing a major organic component of type I collagen fibers which undergo biomineralization via calcium and phosphate deposits to form hydroxyapatite. Therefore, the claim is well supported.

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