Abstract
In ontogenetic growth models, the basal metabolic rate is usually assumed to depend on the individual mass following a power law. Here it is shown that, in the case of multicellular tumor spheroids, the emergence of a necrotic core invalidates this assumption. The implications of this result for spheroid growth are discussed, and a procedure to determine the growth parameters using macroscopic measurements is proposed.
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More From: Physica A: Statistical Mechanics and its Applications
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