adventitious


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Related to adventitious: adventitious lung sounds, adventitious breath sounds

adventitious

 [ad″ven-tish´us]
not normal to a part.

ad·ven·ti·tious

(ad-ven-tish'ŭs),
1. Arising from an external source or occurring in an unusual place or manner.
See also: extrinsic.
2. Occurring accidentally or spontaneously, as opposed to naturally or through heredity.
3. Synonym(s): adventitial

adventitious

/ad·ven·ti·tious/ (ad″ven-tish´us)
1. accidental or acquired; not natural or hereditary.
2. found out of the normal or usual place.

adventitious

(ăd′vĕn-tĭsh′əs, -vən-)
adj.
1. Arising from an external cause or factor; not inherent: "These rodents ... appear suddenly in the Oligocene, as if by adventitious entrance independent of the rest of the fauna" (George Gaylord Simpson).
2. Biology Of or belonging to a structure that develops in an unusual place: adventitious roots.

ad′ven·ti′tious·ly adv.
ad′ven·ti′tious·ness n.

adventitious

1 pertaining to an accidental condition or an arbitrary action.
2 not hereditary.
3 occurring at an inappropriate place, such as a coating on an artery.

ad·ven·ti·tious

(ad'vĕn-tish'ŭs)
1. Arising from an external source or occurring in an unusual place or manner.
See also: extrinsic
2. Occurring accidentally or spontaneously, as opposed to natural causes or hereditary.
3. Synonym(s): adventitial.

adventitious

1. Accidentally acquired or added by chance.
2. Occurring in an unusual place or in an irregular manner.

adventitious

  1. (of a root) growing laterally from a stem rather than the main root, e.g. prop roots of maize, clinging roots of climbing vines, and roots of BULBS, such as the daffodil.
  2. (of a bud) not developing in a leaf axil, as in Begonia where such buds can be produced from leaf wounds.

adventitious

formed after birth

ad·ven·ti·tious

(ad'vĕn-tish'ŭs)
1. Arising from an external source or occurring in an unusual place or manner.
2. Occurring accidentally or spontaneously, as opposed to naturally or through heredity.
3. Synonym(s): adventitial.

adventitious

1. accidental or acquired.
2. not in the usual place.

adventitious breath sounds
see breath sounds.
adventitious movements
purposeless movements; as seen in distemper myoclonus in dogs.
References in periodicals archive ?
Table 2: Interactive effects of phosphorus with in vifro-induced salinity on adventitious root growth of cucumber microcultured on proliferation medium.
Phytohormone inactivation can occur through the combination of sugars derived from hydrolysis of sucrose, glucose and fructose, thereby altering the balance of active molecules of auxin and cytokinin (CORUZZI; ZHOU, 2001), directly affecting adventitious root formation in vegetative propagules (BHARDWAJ; MISHRA, 2005).
The stems in the monocots listed above are vesselless, so that there is no way in which vessels of roots could be connected to tracheids in stems: the adventitious nature of monocots prevents that.
The passage is clearer than the Ephesians passages, though, in its expectation of the kairotic, adventitious body of Christ.
The excellent safety record in biopharmaceuticals production has been achieved by using several overlapping processes directed at eliminating or inactivating viruses and other adventitious agents.
20) were observed with the adventitious knots (AK) and adventitious knot cluster (AKC) defects.
2008) observed that wild-ginseng adventitious root meal supplementation (5 g/kg) in growing-finishing pig diets increased meat WHC while decreasing WHC when 15 g/kg wild-ginseng adventitious root meal supplementation was fed.
This can be due to the presence of surface active additives formulated to enhance bonding, low-molecular-weight additives with low surface energy needed to control surface rheology, or simply to interactions of the material with the atmospheric environment leading to oxidation, hydration, or deposition of adventitious carbon-based contaminants.
It's not clear why Boyle believes that this necessary dependence on the images doesn't threaten to undermine the sense in which these ideas are properly speaking innate rather than adventitious.
Given that no marked increase occurred in the number of participating clinics during this time, the increase suggests that in addition to the presence of adventitious ticks, breeding populations of I.
Even though the plant has been in Australia say over 30 years the adventitious offsets you can expect at the base are many and varied.
Crop growth parameters including adventitious root, tiller counts, plant height, root dry weight, and plant dry weight were measured in 2005-06.