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Initial mass fractions of each of the three structurally significant constituents within the three-layered model. Recall that the intima is defined from ri to rm, the media from rm to ra, and the adventitia from ra to ro.
| Mass Fractions | Intima | Media | Adventitia |
|---|---|---|---|
| Elastin | 100% | 4% | 10% |
| Collagen | 0% | 25% | 90% |
| SMC | 0% | 71% | 0% |
