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. 2021 Mar 31;7(14):eabb9113. doi: 10.1126/sciadv.abb9113

Fig. 4. Osteocytic osteolysis as a mechanism for early mineral metabolism.

Fig. 4

(A to C) Illustrations depicting the process of osteocytic osteolysis; the phases are stasis phase, dissolution phase, and redeposition phase, respectively. (D) Single SEM image from the FIB-SEM acquisition showing the air-filled osteocyte lacunae and canaliculi of T. mammillata. (E) Same SEM image as in (D) with contrast shifted to show the demineralized zone surrounding the lacunae. (F and G) 3D render of the stack of images from (D and E) T. mammillata (MB.f.9025). The 3D model shows several osteocytes and their canaliculi, with the red areas showing where the “areas of low density” were found. ald, area of low density; os, osteocyte. Scale bar, 5 μm.