Medical Dictionary


noun sphag·num \ˈsfag-nəm\

Medical Definition of SPHAGNUM

:  any of an order (Sphagnales, containing a single genus Sphagnum) of atypical mosses that grow only in wet acid areas where their remains become compacted with other plant debris to form peat
:  a mass of dehydrated sphagnum plants used as a surgical dressing especially during World War I


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