Table 1.

Cell number per islet estimated by computer-assisted cytometer

Islet diameter (μm)	Number of islets evaluateda	Cell number per islet
50	25	92 ± 11
75	48	188 ± 15
100	40	322 ± 24
125	36	642 ± 48
150	33	943 ± 60
175	46	1,308 ± 68
200	42	1,674 ± 91
225	31	2,099 ± 94
250	21	2,731 ± 137
275	7	2,831 ± 216
300	5	3,586 ± 689
325	9	4,003 ± 506

The mean cell number per islets of various size categories is shown. Data are presented in mean ± SEM

^aThe islets were harvested from 8 animals