Table 2.
Human kidney vascular branching metrics compartmentalised by spatial zone with the organ
| Cortex | Medulla | Hilum | Intermedullary pillars | Organ | |
|---|---|---|---|---|---|
| Volume of tissue, ×1013 µm3 (% of total) | 8.70 (63.7%) | 3.21 (23.5%) | 1.18 (8.66%) | 0.57 (4.14%) | 13.7 (100%) |
| Number of segments* (% of total) | 6141 (60.27%) | 554 (5.4%) | 151 (1.5%) | 727 (7.1%) | 10,190 (100%) |
| Mean segment length, µm ± STD | 1999 ± 1374 | 1493 ± 1113 | 3993 ± 3568 | 1720 ± 1386 | 2260 ± 1720 |
| Mean segment radius, µm ± STD | 48 ± 12.6 | 95 ± 49 | 496 ± 335 | 136 ± 80 | 71 ± 87 |
| Mean inter-vessel distances, ×103 µm ± STD | 1.10 ± 0.677 | 1.55 ± 0.881 | 1.55 ± 1.312 | 0.664 ± 0.543 | 1.2 ± 0.833 |
| Mean segment volume, ×108 µm3 ± STD | 0.148 ± 0.116 | 0.623 ± 1.12 | 69.0 ± 147 | 1.73 ± 4.48 | 1.65 ± 20.6 |
| Mean segment tortuosity ± STD | 1.14 ± 0.17 | 1.08 ± 0.13 | 1.08 ± 0.1 | 1.1 ± 0.12 | 1.15 ± 0.18 |
*Segments that crossed over two regions were excluded.