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Furqan Shah

🧪🔬🦴💠 Transformation of bone mineral morphology: From discrete marquise-shaped motifs to a continuous interwoven mesh

doi.org/10.1016/j.bonr.2020.10

Continual bone apposition at the cranial sutures provides the unique opportunity to understand how bone is built. Interdigitated finger-like projections form the interface between frontal and parietal bones. Viewed from the surface, bone mineral at the mineralisation front is comprised of nanoscale mineral platelets arranged into discrete, ~0.6–3.5 μm high and ~0.2–1.5 μm wide, marquise-shaped motifs that gradually evolve into a continuous interwoven mesh of mineralised bundles. Marquise-shaped motifs also contribute to the burial of osteoblastic–osteocytes by contributing to the roof over the lacunae. In cross-section, apices of the finger-like projections resemble islands of mineralised tissue, where new bone apposition at the surface is evident as low mineral density areas, while the marquise-shaped motifs appear as near-equiaxed assemblies of mineral platelets.
#bone#biomineralization#biology
Mar 27, 2024, 08:56 AM·Public·Web
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