Table 1.

Morphometric data obtained from the descending duodenum and distal ileum in the no-load state

Parameters	Duodenum	Ileum	p Value*
Inner circumferential length	5.1 ± 0.3 (mm)	7.6 ± 0.2 (mm)	< 0.001
Outer circumferential length	9.8 ± 0.3 (mm)	10.8 ± 0.3 (mm)	> 0.05
Wall thickness	0.76 ± 0.02 (mm)	0.51 ± 0.02 (mm)	< 0.001
Luminal area	1.9 ± 0.2 (mm2)	4.60 ± 0.2 (mm2)	< 0.001
Wall area	6.2 ± 0.3 (mm2)	4.51 ± 0.2 (mm2)	< 0.001

Values are means ± SE. N = 10. * student t-test between duodenum and ileum.