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Time courses of rates of mass density production for circumferential collagen (a,b) and smooth muscle (c,d), normalized with respect to homeostatic rates for indicated changes in pressure P=γ Ph (a,c) and flow Q= ϵ Qh (b,d) where 
kPa ∀s∈[0,1000] days. Note the high levels of production, especially for cases of reduced flow. SMC is smooth muscle cell.
