A specialized structure of a parasitic fungus or plant, used to absorb nutrients and water from the host plant.
A rootlike outgrowth in certain parasitic plants, through which food is absorbed from the host.
A specialized absorbing structure of a parasitic fungus or plant, such as the rootlike outgrowth of the dodder, that obtains food from a host plant. In parasitic fungi, haustoria are specialized hyphae that penetrate the cells of other organisms and absorb nutrients directly from them.
New Latin haustōriumfrom Latin haustusa drawing in, absorptionfrompast participle ofhaurīreto draw up
American Heritage Dictionary of the English Language, 5th Edition
Haustorium Sentence Examples
(After De Bary.) more or less branched (Peronospora) or coiled (Protomyces)haustorium.
Any one of these soon comes to rest on a host-cell, and either pierces it and empties its contents into its cavity, where the further development occurs (Olpidium), or merely sends in delicate protoplasmic filaments (Rhizophydium) or a short hyphal tube of, at most, two or three cells, which acts as a haustorium, the further development taking place outside the cell-wall of the host (Chytridium).
It produces a sucker-like structure called a haustorium, which penetrates hazel roots and draws off nutrients.