This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water â hence the name photosynthesis, from the Greek Ïá¿¶Ï, phÅs, light, and ÏÏÎ½Î¸ÎµÏÎ¹Ï, synthesis, putting together.
The human body's own cartilage is still the best material for lining knee joints. This drives efforts to develop ways of using a person's own cells to grow, or re-grow cartilage tissue to replace missing or damaged cartilage.
In knee replacement surgery, doctors remove the damaged cartilage and replace it with new joint surfaces in a step-by-step process. Joint changes caused by osteoarthritis may also stretch and damage the ligaments that connect the thighbone to the lower leg bone.ost people who have knee replacement surgery start to walk with a walker or crutches the day of surgery or the next day. And most people can bear weight on the knee if it is comfortable. A physical therapist will help you gently bend and straighten your knee.