Answer :
The chronic, progressive, inflammatory disease of bones and joints caused by degenerative changes in the cartilage is called osteoarthritis.
Osteoarthritis is a common condition that affects millions of people worldwide, particularly older individuals. Here's a step-by-step explanation of osteoarthritis:
1. Chronic: Osteoarthritis is a long-term condition that develops gradually over time. It is not a sudden or acute condition.
2. Progressive: Osteoarthritis tends to worsen over time. The degenerative changes in the cartilage continue to progress, leading to further damage to the bones and joints.
3. Inflammatory: Although osteoarthritis is primarily a degenerative condition, it can also involve some degree of inflammation. Inflammation in the affected joints can cause pain, swelling, and stiffness.
4. Disease of bones and joints: Osteoarthritis primarily affects the joints, which are the areas where two bones meet. The cartilage, which acts as a cushion between the bones, starts to deteriorate, leading to bone-on-bone contact and the development of various symptoms.
5. Degenerative changes in the cartilage: Osteoarthritis is characterized by the breakdown and loss of cartilage in the affected joints. Cartilage is a smooth, rubbery tissue that allows for smooth movement and acts as a shock absorber. As the cartilage wears away, the bones may rub against each other, causing pain, stiffness, and reduced mobility.
To better understand osteoarthritis, let's consider an example. Imagine a car with worn-out shock absorbers. Over time, the shocks lose their ability to absorb impact, leading to a bumpy and uncomfortable ride. Similarly, in osteoarthritis, the cartilage acts like the shock absorbers, and as they degenerate, the joints become less cushioned and more painful.
In conclusion, osteoarthritis is a chronic, progressive, inflammatory disease of bones and joints caused by degenerative changes in the cartilage. It is essential to manage this condition through various treatment options, including medication, physical therapy, and lifestyle modifications, to alleviate symptoms and improve quality of life.
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