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. Author manuscript; available in PMC: 2013 May 12.
Published in final edited form as: Acta Biomater. 2010 Jun 1;6(11):10.1016/j.actbio.2010.05.028. doi: 10.1016/j.actbio.2010.05.028

Fig. 2.

Fig. 2

(a) An ultrasound image of a cross-section of the inflated CS vessel, with two line segments D1 and D2 for measuring diameters and three line segments T1, T2 and T3 for thickness measurements; (b) thickness measurements using the FWHM method (to obtain Tpixel, or the thickness in pixels, of the width of the half amplitude of the peak); (c) diameter measurements (distance between the two crosses, in pixels), both processed by the Matlab “improfile” function.