Musculoskeletal Biology
A 28-year-old athlete has an MRI showing a focal full-thickness cartilage defect in the medial femoral condyle. The surgeon discusses the limited healing capacity of cartilage and treatment options including microfracture, osteochondral grafting, and cell-based therapies. Regarding articular cartilage biology:
Mark each as TRUE or FALSE
Articular cartilage is composed of water (65-80%), collagen (10-20% wet weight, primarily type II), ...
The cartilage zones from superficial to deep are: superficial (tangential collagen, flattened chondr...
Articular cartilage has an excellent blood supply; it heals readily after injury through vascular in...
Proteoglycans (primarily aggrecan) consist of a core protein with attached glycosaminoglycan chains ...
Cartilage is aneural, avascular, and alymphatic, receiving nutrition via diffusion from synovial flu...
Answer the questions to see explanations
Click T (True) or F (False) for each option