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Table 3 Passive structural parameters of the SHR and WKY treatment groupsa

From: Alterations in vasomotor systems and mechanics of resistance-sized mesenteric arteries from SHR and WKY male rats following in vivo testosterone manipulation

Treatment Strain CONT CAST CAST + T
Passive diameter (μm) SHR 305.4 ± 22.9 (n = 9) 285.7 ± 14.5 (n = 12) ++274.3 ± 6.4 (n = 10)
  WKY 352.8 ± 26.0 (n = 8) 301.9 ± 10.9 (n = 8) 309.6 ± 10.1 (n = 14)
Wall thickness (μm) SHR *34.9 ± 2.5 (n = 9) 28.4 ± 2.3 (n = 12) 31.7 ± 3.4 (n = 10)
  WKY 24.1 ± 3.8 (n = 8) 22.2 ± 3.5 (n = 8) 23.9 ± 2.7 (n = 10)
Wall-to-lumen ratio SHR *0.117 ± 0.009 (n = 9) +0.102 ± 0.009 (n = 12) ++0.124 ± 0.014 (n = 10)
  WKY 0.070 ± 0.001 (n = 8) 0.070 ± 0.010 (n = 8) 0.080 ± 0.010 (n = 12)
  1. aCAST, castrate; CAST + T, castrate plus testosterone; CONT, control; SHR: spontaneously hypertensive rat; T: testosterone; WKY: Wistar Kyoto. Data are means ± SEM. *P < 0.05 for SHR CONT vs WKY CONT. + P < 0.05 for SHR CAST vs WKY CAST.++ P < 0.05 for SHR CAST + T vs WKY CAST + T.