In hematology, the theory that blood cells are derived from several different stem cells, depending on the particular cell type.
Synonym(s): polyphyletic theory
[poly- + G. phylē, tribe]
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In addition, and adding credence to the relevant polyphyletism found in Mazama by means of the mitochondrial control region DNA sequences, a second analysis with 16 DNA microsatellite loci also showed a higher genetic relationship between M.