Age group | Lipid cortex | Pigment cortex | Cholesterol cortex | Calcium cortex | Hemosiderin medulla |
<0.5 y (28) | 15 (0%) | 1 (4%) | 4 (14%) | 5 (17%) | 0 (%) |
0.5 - 6 y (51) | 44 (81%) | 17 (33%) | 30 (58%) | 27 (52%) | 0 (%) |
7 - 13 y (29) | 23 (98%) | 26 (90%) | 13 (44%) | 10 (34%) | 0 (%) |
>13 y (25) | 22 (100%) | 24 (96%) | 13 (52%) | 14 (56%) | 1 (4%) |
Adult (17) | 16 (94%) | 7 (41%) | 10 (58%) | 5 (29%) | 0 (0%) |