Cartilage tissue

A flexible connective tissue that provides support and cushioning in various parts of the body.

Cartilage is a firm yet flexible tissue that is part of the skeletal system. It is made up of specialized cells called chondrocytes, which are embedded in a gel-like extracellular matrix rich in collagen and proteoglycans. This unique structure enables cartilage to withstand pressure and provide smooth surfaces for joint movement, while also serving as a template for the formation of bones during development.

Terminologia Anatomica

cartilago

System

Skeletal system

Function

Cartilage serves several essential functions in the human body. Its primary role is to provide flexibility and support to various structures, acting as a cushion that absorbs shock and reduces friction during movement. For instance, in joints, cartilage covers the ends of bones, facilitating smooth articulation and protecting them from wear. In the respiratory system, cartilage forms the structure of the nose, trachea, and bronchi, maintaining open airways while allowing some degree of flexibility. Additionally, during embryonic development, cartilage serves as a precursor to bone formation, ensuring that the skeletal structure develops correctly. Overall, cartilage plays a crucial role in facilitating movement, enhancing the structural integrity of body systems, and aiding in the development of the skeletal framework.

Location

Cartilage tissue is found in numerous locations throughout the body, including the joints (articular cartilage), the ends of long bones, the rib cage (costal cartilage), the spine (intervertebral discs), the ears (auricular cartilage), and the nose (nasal cartilage). In joints, cartilage serves as a protective cushion that covers the bone surfaces where they meet, facilitating smooth movements in areas like the knees, elbows, and hips. It also supports structures in the respiratory tract, allowing the trachea and bronchi to maintain their shape while remaining flexible. The presence of cartilage in these critical areas illustrates its vital role in both mobility and the maintenance of structural integrity across various body systems.

Did You Know?

Cartilage is avascular, meaning it does not contain blood vessels, which makes it slower to heal compared to other tissues.
There are three main types of cartilage: hyaline, fibrocartilage, and elastic cartilage, each serving different functions.
The human ear contains elastic cartilage, which provides flexibility and allows it to maintain its shape.