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. 2017 Jan 1;37(6):2237–2248. doi: 10.1177/0271678X17694187

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 License (http://www.creativecommons.org/licenses/by-nc/3.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — The effects of vessel orientation distribution on the concentration dependence of the relaxation rates. When vessel orientations are randomly chosen within an interval with minimum angle set to 25° (a) both ΔR2 and ΔR2* increases with branching angle heterogeneity (b,c). However, if the mean vessel orientation is set perpendicular to the main magnetic field (d), the relaxation rates become independent of branching angle heterogeneity (e,f).