Table 2 The height and width of folds and wall thickness in mid and distal intestine (μm)

Height of folds

1393 ± 36.4 ^a

1134 ± 31.2 ^b

1131 ± 42.4 ^b

1012 ± 24.8 ^b

Width of folds

135.8 ± 4.8^ab

122.6 ± 4.3 ^a

129.2 ± 4.5^ab

142.0 ± 5.4 ^b

Wall thickness

732.2 ± 21.4^a

652.3 ± 24.0^a

652.5 ± 21.6^a

694.0 ± 20.9^a

Distal intestine

FO

OO

RO

SO

Height of simple folds

1240 ± 37.8^a

1204 ± 39.7^a

1221 ± 29.3^a

1242 ± 35.7^a

Width of simple folds

138.9 ± 5.3^a

127.1 ± 5.5^a

131.3 ± 5.9^a

131.8 ± 5.3^a

Height of complex folds

3456 ± 146.9^ab

3280 ± 91.7^ab

3598 ± 100.2 ^a

3123 ± 79.7 ^b

Width of complex folds

265.2 ± 10.8^a

267.1 ± 10.7^a

234.1 ± 7.8^a

238.7 ± 10.1^a

Wall thickness

705.2 ± 20.4 ^a

616.8 ± 22.8 ^b

643.3 ± 21.5^ab

621.4 ± 18.0 ^b