Table 1.

Number of epoxy blocks and glomerular profiles photographed for mean glomerular profile area, V_G and N calculations

Genotype	Age days	Animals n	Blocks sectioned n	For calculation of VG		For calculation of N
				total light microscopy glomerular profiles per animal	total light microscopy glomerular profiles	total TEM glomerular profiles per animal	total TEM glomerular profiles
FVB	60	5	14	19–36	140	1–4	21
OVE26	60	5	12	15–36	129	1–3	17
FVB	150	5	7	15–39	140	1–2	13
OVE26	150	5	13	17–18	87	2–3	19
FVB	450	5	11	15–56	142	1–4	13
OVE26	450	6	12	15–20	106	1–3	15
Total		31	69		744		98