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. 2019 May 29;20(11):2636. doi: 10.3390/ijms20112636

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Representative micrographs of histological assessment of ASCs (a), SVF (b), and MFAT (c) in the synovial membrane; the meniscus and the cartilage were stained with Hematoxylin/Eosin and Safranin-O/Fast Green, respectively, at 7 and 30 days. Scale bar: 50 µm. Black arrows: indications of some histological details in tissue specimens. BV: blood vessels; I: inflammatory processes; H: hyperplastic and hypertrophic processes in the synovial membrane; T: tear presence in meniscus C: cell clones within the extracellular matrix in cartilage; F: fibrillation processes; IG: isogenic groups.