appressorium

noun ap·pres·so·ri·um \ˌa-pre-ˈsȯr-ē-əm\

plural ap·pres·so·ria\-ē-ə\

Definition of APPRESSORIUM

: the flattened thickened tip of a hyphal branch by which some parasitic fungi attach to and penetrate their host

New Latin, from Latin apprimere

First Known Use: 1897

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