Table 1.

Experimental Design

		6 Weeks	12 Weeks	20 Weeks
Experiment 1: Engineer cartilage from expanded chondrocytes
Sheep, n = 2	P2+P0	Disk, n = 6	Disk, n = 6
	P1	Disk, n = 4	Disk, n = 4
	P2	Disk, n = 4	Disk, n = 4
Sheep, n = 2	P2+bFGF	Disk, n = 6	Disk, n = 6
	P1	Disk, n = 4	Disk, n = 4
	P2	Disk, n = 4	Disk, n = 4
Experiment 2: Evaluate stability of cartilage and retention of ear shape
Sheep, n = 2	P1	Disk, n = 6	Disk, n = 6	Disk, n = 6
				Ear, n = 2
Sheep, n = 2	P2+bFGF	Disk, n = 6	Disk, n = 6	Disk, n = 6
				Ear, n = 2

bFGF, basic fibroblast growth factor; P0, passage 0; P1, passage 1; P2, passage 2.