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. Author manuscript; available in PMC: 2012 Jun 26.
Published in final edited form as: J Biomech Eng. 2011 Jul;133(7):075001. doi: 10.1115/1.4004495

Table 1.

Overall results summary

Macroscopic
Fung constants
c A1 A2 A3
1.18E+06 6.92E− 01 3.46E−02 4.53E−02

Circumferential maximum tangential modulus
0.29 ± 0.043 MPa
Microscopic

Fiber histogram mode (fiber orientation)a

Collagen
Unloaded Loaded
−30 to −40° bin 20 to 30° bin
Elastin
−40 to −50° bin −30 to −40°, 40 to 50° bins

Full-width half-maximum (spread of orientation)
Collagen
Unloaded Loaded
22.7 59.8
Elastin
18.8 58.6, 32.9
a

−45 deg corresponds to the axial direction, +45 deg corresponds to the circumferential direction.