Fig. 1
From: Re-examination of the mechanical anisotropy of porcine thoracic aorta by uniaxial tensile tests

Diagram of expanding a cylindrical arterial segment and definition of three orthotropic planes
From: Re-examination of the mechanical anisotropy of porcine thoracic aorta by uniaxial tensile tests

Diagram of expanding a cylindrical arterial segment and definition of three orthotropic planes