haustoriumとは 意味・読み方・使い方

語源

From Latin haustor (“drainer”) +‎ -ium.

名詞

haustorium (plural haustoria)

1. A root of a parasitic plant modified to take nourishment from its host.
   • 2005, Ming Hao Pei, Alistair R. McCracken, editors, Rust Diseases of Willow and Poplar, CABI, →ISBN, page 170:

     In the substomatal chamber all the signals that regulate the interaction between fungus and host are present along the entire structure of the rust fungus, from the vesicle to the first haustorium which, in the dikaryotic stage, is the first intracellular structure (Mendgen et al., 1988; Heath, 1989, 1995).

2. A cellular structure, growing into or around another structure to absorb water or nutrients, such as a cotyledon.

派生語