Table 1.

Summary of cell and matrix volumes calculated from image series obtained from chick corneas at three embryonic stages by FIB SEM

Embryonic day	Sample volume, µm3	Cell volume, %	Matrix volume, %	z depth, µm
10	1.2 × 104	18	20	23
14	0.6 × 104	20	50	11.5
18	1.5 × 104	20	70	28.5