Figure 2From: Tensile properties of the rectal and sigmoid colon: a comparative analysis of human and porcine tissue For measurement of average thickness for each section, tissue was placed within a width constraining trough (A) and a thin piece of metal placed over the tissue so that it was laying flat (B). Digital calipers were then used to measure the distance from the bottom of the trough to the bottom of the metal for each sample.Back to article page