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. 2018 May 2;17:53. doi: 10.1186/s12938-018-0485-5

Fig. 1.

Fig. 1

The patient-specific aortic geometry. An inlet boundary and four outlet boundaries were defined in left image. O, R, L and I represented the four partition of the aortic wall demonstrated in right image. The region identified by ‘AI’ was aortic isthmus