biotransformation(redirected from neonatal biotransformation)
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Chemical alteration of a substance within the body, as by the action of enzymes.
bi•o•trans`for•ma•tion(ˌbaɪ oʊˌtræns fərˈmeɪ ʃən)
the series of chemical changes occurring in a compound, esp. a drug, as a result of enzymatic or other activity by a living organism.