Cartilage

Cartilage is a specialized connective tissue that provides structural support and flexibility to various parts of the body, such as the joints, nose, and ears. It has unique biomechanical properties that allow it to withstand mechanical forces and maintain its shape. Here are some key biomechanical properties of cartilage. It lacks blood vessels, nerves, and lymphatics, relying on diffusion for nutrient supply. There are three main types of cartilage: hyaline cartilage, found in joints and the respiratory system; elastic cartilage, present in the ear and epiglottis; and fibrocartilage, forming intervertebral discs and certain joint structures. Cartilage serves several crucial functions, including cushioning joints, supporting the respiratory airways, and contributing to skeletal development. However, due to its avascular nature, cartilage has limited regenerative capacity, making injuries or damage challenging to repair. Common cartilage-related conditions include osteoarthritis, where the cartilage in joints undergoes degeneration, and injuries that may require surgical interventions like arthroscopy or, in severe cases, joint replacement. Understanding the structure and function of cartilage is essential in orthopaedics and rheumatology, guiding the diagnosis and treatment of conditions affecting joints and other cartilage-rich areas in the body.