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Retinal vascular cell density determined in trypsin digest whole mount retina preparations.
| Vascular cells | Age | Control | Caffeine |
| Pericytes (PC) | P21 | 33.00 ± 4.30* | 33.75 ± 2.63 |
| Endothelial cells (EC) | P21 | 180.31 ± 20.56 | 169.06 ± 8.76 |
*Mean number of cells per high power field (×400).
The p-values were calculated by comparing samples from control or caffeine treated mice at P21 and were not significant.
