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TEM image of “dividing” S-CNP. (A) Unique septa-like divisions (“cells” on the right, with white-small arrows). (B) A unique inner structure of CNP during division. Thick white arrows show budding-like formations, black arrows show dark stained apatite layer on the surface of CNP. Bars: 50 nm.
Abbreviations: CNP, calcifying nanoparticles; S-CNP, serum calcifying nanoparticles; TEM, transmission electron microscopy.
