Q. Articular cartilage is ____________ cartilage and is 2 to 4 mm thick.

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Q. Articular cartilage is devoid of blood vessels.

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Q. The thin superficial zone that protects the deeper layers from shear stresses is called _______ zone.

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Q. The superficial layer contains a relatively high number of flattened chondrocytes.

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Q. The middle zone represents 40% to 60% of the total cartilage volume, and it contains proteoglycans and thicker collagen fibrils.

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Q. The ______ zone contains the largest diameter collagen fibrils in radial disposition.

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Q. The _______________ is the resident cell type in articular cartilage.

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Q. In normal articular cartilage, tissue fluid represents between 65% and 80% of the total weight.

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Q. ___________ collagen represents 90% to 95% of the collagen in ECM and forms fibrils and fibers intertwined with proteoglycan aggregates.

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Q. Synovium-derived stem cells (SDSCs) originate from the ________ surrounding joints.

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Q. When left untreated, articular cartilage lesions can lead to ___________

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Q. _________ cartilage provides a smooth articular surface and the ability to withstand a good amount of pressure.

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Q. Microfracture is a common procedure in which small holes are made and distributed across the entire articular cartilage lesion site.

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Q. Mechanical Forces like motion and appropriate loading of synovial joints are necessary for the proper structure, function and metabolism of the articular hyaline cartilage.

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Q. _____________ are the most widely used stem cell source for articular cartilage regeneration technique.

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Q. Autologous Chondrocyte Implantation (ACI) is a cell-based technique to treat the full-thickness chondral defects in the knee.

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Q. Mosaicplasty/Osteochondral Grafting was introduced in the early 1990s.

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Q. Articular cartilage lesions, when left untreated, forms ____________

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Q. Cartilage defects are classified into two types according to the depth of the lesion into partial (chondral) or full thickness (osteochondral).

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Q. The liver is the largest gland in the body, weighing roughly _____________ in human adults.

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