Table 3 Parameters obtained from stress-stretch uniaxial curves (mean ± SD), control (CN), and melatonin-treated (MN) groups.
From: Effect of melatonin on passive, ex-vivo biomechanical behavior of lamb esophagus
CN | E1 [kPa] | E2 [kPa] | \(\sigma _c\) [MPa] | \(\lambda _c\) [mm/mm] | \(\sigma _r\) [kPa] | \(\lambda _r\) [mm/mm] | |
|---|---|---|---|---|---|---|---|
Int | Long. | 421 ± 12 | 1682 ± 1053 | 121 ± 25 | 1.3 ± 0.2 | 837 ± 665 | 1.7 ± 0.2 |
Circ. | 27 ± 18 | 349 ± 141 | 36 ± 27 | 1.5 ± 0.2 | 263 ± 88 | 2.4 ± 0.2 | |
Ext | Long. | 30 ± 14 | 419 ± 168 | 32 ± 25 | 1.3 ± 0.2 | 238 ± 159 | 1.8 ± 0.2 |
Circ. | 4 ± 1 | 265 ± 157 | 17 ± 10 | 1.5 ± 0.3 | 299 ± 32 | 2.6 ± 0.6 | |
IT | Long. | 35 ± 18 | 457 ± 75 | 85 ± 65 | 1.9 ± 0.3 | 415 ± 136 | 2.9 ± 0.2 |
Circ. | 21 ± 20 | 168 ± 68 | 51 ± 41 | 2.2 ± 0.6 | 192 ± 113 | 3.2 ± 0.6 | |
MN | E1 [kPa] | E2 [kPa] | \(\sigma _c\) [MPa] | \(\lambda _c\) [mm/mm] | \(\sigma _r\) [kPa] | \(\lambda _r\) [mm/mm] | |
|---|---|---|---|---|---|---|---|
Int | Long. | 200 ± 28 | 2295 ± 1223 | 167 ± 33 | 1.5 ± 0.1 | 1507 ± 690 | 2.1 ± 0.3 |
Circ. | 14 ± 6 | 338 ± 162 | 29 ± 32 | 1.4 ± 0.1 | 250 ± 56 | 2.2 ± 0.3 | |
Ext | Long. | 60 ± 63 | 598 ± 54 | 72 ± 33 | 1.6 ± 0.2 | 381 ± 94 | 2.3 ± 0.2 |
Circ. | 6 ± 2 | 502 ± 203 | 35 ± 41 | 1.6 ± 0.3 | 241 ± 338 | 2.4 ± 0.2 | |
IT | Long. | 41 ± 21 | 240 ± 58 | 24 ± 11 | 0.1 ± 0.2 | 256 ± 201 | 2.2 ± 0.4 |
Circ. | 9 ± 3 | 118 ± 52 | 21 ± 14 | 2.1 ± 0.2 | 130 ± 144 | 3.1 ± 0.8 | |
