Medical Dictionary


noun mush·room \ˈməsh-ˌrüm, -ˌrm\

Medical Definition of MUSHROOM

:  an enlarged complex fleshy fruiting body of a fungus (as most basidiomycetes) that arises from an underground mycelium and consists typically of a stem bearing a spore-bearing structure; especially :  one that is edible—compare toadstool
:  fungus 1
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