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Morphological Changes That Occur in the Aging Kidney.
| Structure | Individual component | Change |
|---|---|---|
| Gross anatomy | Renal mass | ↓ |
| Scarring | ↑ | |
| Cysts | ↑ | |
| Vascular | Vascular resistance | ↑ |
| Intimal thickness | ↑ | |
| Total renal blood flow | ↓ | |
| Homeostatic responsiveness | ↓ | |
| Tortuosity | ↑ | |
| Glomerular and interstitial tissue | Number of glomeruli | ↓ |
| Cross-sectional area of glomeruli | ↓ |
