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Fig. 6
Osteocyte characteristics in terms of osteocyte size, shape and orientation in zebrafish vertebrae. (a) Osteocyte lacunae appear ellipsoidal and their distribution and orientation change in relation to the anatomical site. Towards the end regions of the vertebrae, the longitudinal axis of the osteocyte orientation is tangential to the circumference and perpendicular to the long axis of the vertebra. Osteocyte lacunar orientation in the central region of the vertebrae was aligned (parallel) to the long axis of the vertebral body. (b) Mean lacunar sphericity and (c) mean osteocyte lacunar volume were not significantly different between groups.