Haustorium
/hɔˈstɔ.ɹi.əm/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A root of a parasitic plant modified to take nourishment from its host.
"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 root-like attachment in parasitic plants that penetrates and obtains food from the host wordnet
- 3 A cellular structure, growing into or around another structure to absorb water or nutrients, such as a cotyledon.
Example
More examples"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)."
Etymology
From Latin haustor (“drainer”) + -ium.