Basic Research
Copyright ©The Author(s) 2005.
World J Gastroenterol. Aug 28, 2005; 11(32): 4974-4978
Published online Aug 28, 2005. doi: 10.3748/wjg.v11.i32.4974
Table 2 Standard linear solid coefficients determined for duodenum, jejunum, and ileum of rat small intestine (mean±SE)
αηλ(s–1)R2
Duodenum0.954±0.0230.710±0.0131.04×10–3±1.09–040.989
Jejunum0.978±0.0170.779±0.0121.29×10–3±1.05–040.992
Ileum1.005±0.0130.720±0.0121.63×10–3±1.33–040.992
Table 1 Average opening angle at 45 and 60 min and maximal luminal area and wall thickness for rings cut from rat duodenum, jejunum, and ileum from rat intestine (mean±SE)
DuodenumJejunumIleum
Angle (45 min)211.1±17.2128.5±10.1b145.9±9.2b
Angle (60 min)220.8±12.9143.9±8.9b151.4±9.3b
Lumen diameter (mm)0.86±0.030.73±0.04a0.89±0.03
Wall thickness (mm)0.88±0.030.72±0.06a0.66±0.02b
Table 3 Comparison of standard linear solid coefficients obtained in this study and from the literature
Rat duodenumRat jejunumRat ileumPig aorta[22]Pig coronary artery[23]
α0.9540.9781.0050.9810.971
η0.710.7790.720.263b0.274b
λ (s–1)1.04×10–31.29×10–31.63×10–33.31×10–3b1.17×10–3