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haustorium
(redirected from haustoria)

   Also found in: Wikipedia, Hutchinson 0.04 sec.
haus·to·ri·um  (hô-stôr-m, -str-)
n. pl. haus·to·ri·a (hô-stôr-, -str-)
A specialized absorbing structure of a parasitic plant, such as the rootlike outgrowth of the dodder, that obtains food from a host plant.

[New Latin haustrium, from Latin haustus, a drawing in, absorption, from past participle of haurre, to draw up.]

haus·tori·al adj.

haustorium  (hô-stôr-m)
Plural haustoria
A specialized absorbing structure of a parasitic 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.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.haustorium - a root-like attachment in parasitic plants that penetrates and obtains food from the host
plant process, enation - a natural projection or outgrowth from a plant body or organ


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? Mentioned in ? References in periodicals archive
 
It twines its way around plants and sends haustoria, which are rootlike structures, into your plants' vascular systems, sucking up water and minerals from your plants' xylem, and taking in sugars from your plants' phloem.
The researchers report that a Striga root tip releases an enzyme that they think diffuses through the soil and reacts with a sorghum root to form another quinone compound, which in turn diffuses back toward the Striga root, where it triggers haustoria formation.
These roots develop structures known as haustoria, which anchor themselves into the water and mineral conducting vessels of the tree.
 
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