isolated articular cartilage chondrocytes from 1- to 3-week-old male holstein calf knee joints were formed into pellets containing 4 x 10 ( 6 ) isolated cells and were grown in tissue culture medium ( minimum essential medium/nctc 135 ) containing either 1 or 10 % newborn calf serum ( nbcs ) in plastic petri dishes in 5 % co2 and air at 37 degrees c in saturation humidity .
C0225369
chondrocytes
C0007634
cells