Table 1 General and arterial structural characteristics of first- and third-order mesenteric resistance arteries
Vehicle | SOL1 | Losartan | Hydralazine | |
|---|---|---|---|---|
Body weight (g) | 353±7 | 362±8 | 366±6 | 356±9 |
MAP (mmHg) | 191±7 | 172±3 | 125±5a | 113±14a |
Diameter 1st order (μm) | 373±21 | 369±17 | 397±19 | 398±14 |
mCSA (103 μm2) | 30±3 | 26±2 | 24±3 | 28±3 |
Media-to lumen ratio | 0.184±0.014 | 0.164±0.006 | 0.144±0.008a | 0.150±0.012 |
NCC | 55±3 | 47±2 | 49±1 | 52±3 |
Diameter 3rd order (μm) | 273±8 | 282±10 | 244±10a | 288±7 |
Active tension (N m–1)b | 4.91±0.43 | 5.55±0.45 | 4.65±0.22 | 4.44±0.37 |
mCSA (103 μm2) | 13±1 | 14±1 | 11±1 | 13±1 |
Media-to lumen ratio | 0.115±0.005 | 0.140±0.02 | 0.109±0.004 | 0.109±0.004 |