(El Segundo, CA)  --  The Los Angeles Lakers have lost star guard Kobe Bryant to another injury.  The team says Bryant is expected to miss six weeks with a fracture of the lateral tibial plateau in his left knee.  Bryant was injured in Tuesday's win at Memphis.  He scored 21 points in 33 minutes of action.  It was just his sixth game of the season.  Bryant made his season debut December 8th after sitting out while recovering from a torn Achilles suffered late last season.  The 12-and-13 Lakers host Minnesota Friday.