Excess weight also places extra stress on joints and wears down cartilage faster .
过胖的体重也会对关节施加更多压力，加速软骨的磨损。
Sharks have strong , complex immune systems that include an angiogenin inhibitor in their cartilage .
鲨鱼拥有强大而复杂的免疫系统，包括它们软骨中的血管生成抑制素。
This once-healthy piece of cartilage was ravaged by rasfs migrating through the body ( right ) .
这是一片曾经健康的软骨受到了由体内患处迁移至此的rasfs的侵害（右）。
Men with especially large protrusions can also see and feel the movement of the cartilage as they swallow and speak .
喉结很大的男性，在吞咽和说话的时候，也能看见并且感觉到喉结处软骨的运动。
This latest attempt is among the most promising yet , with rabbits regrowing bone and cartilage in four weeks and regaining normal movement in their new joints .
