Cartilage is a flexible connective tissue found in various structures throughout the body.
Here's a breakdown of the structures that contain cartilage:
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Articular Surfaces of Bones: Cartilage covers the ends of bones where they meet in joints (e.g., knee, elbow). This articular cartilage allows for smooth, low-friction movement.
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Rib Cage: Costal cartilage connects the ribs to the sternum (breastbone), providing flexibility to the rib cage for breathing.
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Ear: The external ear (auricle) is primarily composed of elastic cartilage, which provides shape and flexibility.
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Nose: The nose's structure is supported by hyaline cartilage and fibrocartilage giving it shape and flexibility.
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Bronchial Tubes: Cartilaginous rings support the trachea and bronchi, keeping the airways open.
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Intervertebral Discs: Fibrocartilage forms the outer portion (annulus fibrosus) of the intervertebral discs, which cushion the vertebrae in the spine.
In summary, cartilage plays a crucial role in providing support, flexibility, and low-friction movement in various parts of the body. Its presence is essential for the proper functioning of the skeletal and respiratory systems.
