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Geometrical model of the hamster cremaster muscle covered by an oxygenated solution. There are n capillary layers. Capillaries are assumed parallel to each other and concurrent. PO2 is specified at the muscle surface. (From Klitzman, B., Popel, A. S., and Duling, B. R., Microvas. Res., 25, 108, 1983. With permission.)
