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n. pl. haus·to·ri·a (hô-stôr′ē-ə)
A specialized structure of a parasitic fungus or plant, used to absorb nutrients and water from the host plant.

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

haus·to′ri·al adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -ria (-rɪə)
(Plant Pathology) the organ of a parasitic plant that penetrates the host tissues and absorbs food and water from them
[C19: from New Latin, from Late Latin haustor a water-drawer; see haustellum]
hausˈtorial adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(hɔˈstɔr i əm, -ˈstoʊr-)

n., pl. haus•to•ri•a (hɔˈstɔr i ə, -ˈstoʊr-)
1. a projection from the hypha of a fungus into the organic matter from which it absorbs nutrients.
2. the penetrating feeding organ of certain parasites.
[1870–75; < New Latin, = Latin haus-, variant s. of haurīre to scoop up, draw + -tōrium -tory2]
haus•to′ri•al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Pre-treatment of tomato plants with the chemical such as dl-3-amino-butyric acid induce systemic-acquired resistance in the tomatoes, protecting them from late blight infection through inhibition of haustoria formation and growth of the P.
Cellulase enzymes cause softening and dissolution of primary cell walls of fruits, which are mainly composed of cellulose and leads to easy entry of penetration begs and haustoria of fungi into parenchymatous cells.
betae was observed on the underground parts of broomrape shoots, on both haustoria and tubers, by digging plants from the soil (Fig.
crenata haustoria factor as compared to the corresponding control.
Dodder twines around stems, uses numerous small haustoria to penetrate the tissues of the host plants, and feeds from the vascular system.
Fineran, "Graniferous tracheary elements in haustoria of root parasitic angiosperms," The Botanical Review, vol.
reflexa from Asia that Albert studies; instead, it gets its skinny little haustoria whipped.
Once a dodder plant makes contact with a host, it quickly coils repeatedly around the stem, and through the use of numerous haustoria, penetrates the plant.
and acetic acid bacteria that showed reduction in Striga haustoria may be due to production of catalase enzyme.
In order to penetrate the host vascular tissue, the dodder seedling then produces specialized structures called haustoria, which form direct connections with the phloem and xylem (Birschwilks et al., 2006).
DMBQ applied to Striga germilings resulted from seeds previously conditioned in water and GR24 induced 70% haustoria (Figure 10).