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Fin whale thoracic aorta

Fin whale thoracic aorta. 25µm. 100µm. Collagen - red VSMC - brown. Collagen - yellow VSMC - brown. Gosline, JM & Chadwick, RE. J. Exp. Biol. 199, 985-997 (1996). Thoracic aorta. Rat. Fin whale. Whale and Rat Einc/strain plot. Human aorta. Common iliac artery. Femoral artery.

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Fin whale thoracic aorta

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  1. Fin whale thoracic aorta 25µm 100µm Collagen - red VSMC - brown Collagen - yellow VSMC - brown Gosline, JM & Chadwick, RE. J. Exp. Biol. 199, 985-997 (1996).

  2. Thoracic aorta Rat Fin whale

  3. Whale and Rat Einc/strain plot

  4. Human aorta

  5. Common iliac artery Femoral artery

  6. Rabbit aorta (freeze-fracture SEM) Collagen (freeze-fracture SEM)

  7. Endothelium

  8. An idea of scale

  9. Einc = k1∆Pr/h.r/∆r = k3PWV2 Ep = k2∆P.r/∆r Functional Stiffness (E) Geometry (h/r) Occlusive disease/hyp. Zc = k3(Ep)1/2 ≈ ∆P/∆Q Pulse wave reflection Elastic reservoir (Impedance, Z) Pulsatile Peripheral resistance, R Smooth muscle tone Steady Structure function relationships in arteries Chemical composition Material Stiffness (Y) = Einc.h/R Structure Heart work

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