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Left side: Graph of the bone mass z(t, x) for the spatially dependent normal bone model with C(0, x) and B(0, x) as in Fig. 11 and B(0, x) = 
(x) ≡ 231.72. Right side: Density plot of the bone mass. System of equations (14): The bone mass sustains regular spatial and temporal cycles uctuating about a
normalized value of 100 dimensionless cell units.
