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. 2022 Sep 12;12:15313. doi: 10.1038/s41598-022-19481-1

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© The Author(s) 2022

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Photomicrographs illustrating the normal microscopic features of sections of articular cartilage of the adult rat. (A) Articular cartilage of proximal portion of the tibia the distal portion of the femur is separated into calcified and noncalcified region by a basophilic tidemark (blue arrow). Magnification × 10. (B) Chondrocytes lying centrally within its lacunae with centrally located nuclei (blue arrow) and hypertrophic chondrocytes (black arrow) are located in the calcified cartilage near the subchondral bone. Magnification × 40.