appressorium

[ ap-re-sawr-ee-uhm, -sohr- ]

noun

, Mycology.

, plural ap·pres·so·ri·a [ap-re-, sawr, -ee-, uh, -, sohr, -].

1. a flattened and thickened tip of a hyphal branch, formed by some parasitic fungi, that facilitates penetration of the host plant.

appressorium

/ ˌæprɛˈsɔːrɪəm /

noun

1. botany a flattened hypha of a parasitic fungus that penetrates the host tissues

Word History and Origins

Origin of appressorium¹

1895–1900; < New Latin, equivalent to Latin appress ( us ) ( appressed ) + -ōrium ( -tory ² )

Word History and Origins

Origin of appressorium¹

from New Latin, from Latin appressus ; see appressed