per os

created by baffo
(idea) by baffo (1.9 wk) (print)   (I like it!) Wed Jan 09 2002 at 16:51:58

A medical Latin phrase meaning "through the mouth" (notice that os, oris is neuter, so that os is actually an accusative). It is used whenever there can be an ambiguity as to the way of taking a drug (should it be drunk, injected ...)

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