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Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 7, 2007; 13(9): 1384-1392
Published online Mar 7, 2007. doi: 10.3748/wjg.v13.i9.1384
Figure 7
Figure 7 Gallbladder body shape during emptying is assumed to be ellipsoidal with major and minor axis lengths D1, D2 and D3 (D1 > D2≥ D3); the gallbladder is subjected to a uniform internal pressure. The stress due to the pressure at any point P has three components, σθ (meridian), σφ (latitude) and τθφ (in surface)[85].