Fig. (6) Histological findings.(a) to (d) Hematoxylin-eosin staining of paraffin sections. (e) and (f) TRAP staining of paraffin sections.a: Adipose tissue, visible over a wide range in the marrow space.b: Hematopoietic cells, occasionally visible in certain areas of the marrow.c: Several flattened osteoblasts (fOb), visible at the bone surface.d: Cuboidal osteoblasts (cOb), occasionally visible at the bone surface.e: TRAP-positive bone surface, indicated by the red staining at the bone surface.f: A few TRAP-positive osteoclasts, on the resorption lacuna.

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