Articular cartilage (AC) is an avascular and flexible connective tissue located on the bone surface in the diarthrodial joints. AC defects are common in the knees of young and physically active individuals. Because of the lack of suitable tissue-engineered artificial matrices. current therapies for AC defects. https://safeersappliancers.shop/product-category/aeg-dvk6981hb-90cm-angled-chimney-hood-black/