1.   At Mass. General, Dawson envisions digital libraries that let students try their hand at highly realistic simulations of repairing knee cartilage or fixing a damaged heart.

2.   A trimmer offensive line came to camp and, more important, brought healthy knee cartilage.

3.   Alex Rodriguez of Seattle had had surgery for torn knee cartilage and will miss four to six weeks.

4.   He began last year with a concussion, an eye injury and torn knee cartilage.

5.   He underwent surgery last Monday to repair knee cartilage.

6.   Henry lost ground early when he showed up at Tennessee with torn knee cartilage.

7.   Often-injured TE Brent Jones missed part of camp with torn knee cartilage.

8.   Smith, charged with much of the job of defending Mihm, suffered possible torn knee cartilage in the second half.

9.   Tissue engineers can already grow simple body tissues such as knee cartilage.

10.   Tuesday, it was announced that Farr will be lost a month with torn knee cartilage.