adventitious

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adventitious

(of a plant or animal part) developing in an abnormal position, as a root that grows from a stem
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

adventitious

[‚ad·ven′tish·əs]
(biology)
Also known as adventive.
Acquired spontaneously or accidentally, not by heredity.
Arising, as a tissue or organ, in an unusual or abnormal place.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Thus, the data was categorized into the following groups: (1) the group of 8 congenitally blind subjects (CBG), (2) the group of 5 adventitiously blind who rated their residual vision as low (ABG1); (3) the group of 5 adventitiously blind who rated their residual vision as high or very high (ABG2), and (4) the sighted group (SG).
While many people who are adventitiously blind interpret their lack of vision as "an actively repressed memento mori" (reminder of the mortality) (56) of their sight, Swearingen never viewed himself as disabled.
This issue is further complicated by the different, more fundamental requirements of congenitally blind people compared with adventitiously blind people and those with residual vision.
(4) Such technologies often comprise readymade, heterogeneous conceptual and practical tools that are adventitiously and contingently assembled into functioning machines whose sole defining feature is that they somehow work.
But there are already many useful design precedents in the Town Magnet--enclosed but interlinked gardens, street trees and parks, balconies and roof terraces, formerly polluted river and canal belts now adventitiously reverted into corridors of biodiversity.
They lead the scientist adventitiously into the unexplored fractions of space and time, from which he returns to reports his findings and fulfill his social role.
They have made use of the research undertaken by psychologists, cognitive scientists and geographers (over almost 40 years) which investigated the cognitive and perceptual abilities of adventitiously and congenitally blind subjects using tactile diagrams, graphics and maps (Lederman 1979; Dodds 1989; Hampson and Daly 1989; Passini et al.
What can we learn from adventitiously filmed fragments culled from a larger canvas about the way they have kept things together when so much around them was coming apart?
Thus, there are close to 1 million adventitiously deafened adults in the United States, and they represent the vast majority (75 percent) of deaf people.
Instead of working to increase the number of deaf schools, the government focused on differentiating three different types of deaf schools: those for the totally deaf, those for the partially deaf (born with defective hearing), and those for late deafened or adventitiously deaf.
Furthermore, because of the fact that covalently linked hybrids are far more stable than conventional duplex strands, adventitiously bound signal-generating probes may be more efficiently removed from the test sample with washing procedures of higher stringency, thus effectively lowering background.
Many small conifers rooted adventitiously in 15 cm of tephra (Zobel and Antos 1982), as had larger trees in earlier eruptions (Lawrence 1954, J.