Architecture of the Circulation, Dr. D. Penney



Table 7.01. Data for the mesenteric vascular bed of the dog, i.e. an innumeration of components showing the symmetrical arrangement.

Kind of vessel Diameter (mm) Number Total x-sect. area (cm2) Total surf. area (cm2) Length (cm) Total blood vol. (cm3)
Aorta 10 1 0.8 125 40 30
large arteries 3 40 3.0 20 60
Main artery branches 1 600 5.0 10 50
Terminal branches 0.6 1,800 5.0 1 25
Arterioles 0.022 40,000,000 125 50,000 0.2 25
Capillaries 0.008 1,200,000,000 600 300,000 0.1 60
Venules 0.03 80,000,000 570 0.2 110
Terminal veins 1.5 1,800 30 1 30
Main venois branches 2.4 600 27 10 270
Large veins 6.0 40 11 20 220
Vena cava 12.5 1 1.2 157 40 50
{A (arterial side) = 190 cm3; B (venous side) = 740 cm3; capillaries hold relatively little blood.}




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