polyphyletic theory

noun

Medical Definition of polyphyletic theory

: a theory in physiology: the several cellular elements of the blood originate in two or more distinct stem cells — compare monophyletic theory

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“Polyphyletic theory.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/polyphyletic%20theory. Accessed 30 Nov. 2021.

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