Cartilage is a flexible connective tissue that provides support and cushioning at joints. Unlike bone, cartilage is avascular (lacking blood vessels) and relies on diffusion for nutrient and waste exchange. There are three main types of cartilage:
1. Hyaline Cartilage: The most common type, found in the nose, trachea, and at the ends of long bones. 2. Elastic Cartilage: Contains more elastic fibers, providing flexibility. Found in the ear and epiglottis. 3. Fibrocartilage: Contains dense collagen fibers, providing tensile strength. Found in intervertebral discs and the menisci of the knee.
