(a.) Added extrinsically; not essentially inherent; accidental or causal; additional; supervenient; foreign.
(a.) Out of the proper or usual place; as, adventitious buds or roots.
(a.) Accidentally or sparingly spontaneous in a country or district; not fully naturalized; adventive; -- applied to foreign plants.
(a.) Acquired, as diseases; accidental.
Example Sentences:
(1) Several in vitro transcripts both larger and smaller than the authentic transcript were seen; presumably, these transcripts result from adventitious promoterlike elements in adjacent chlamydial DNA and may be responsible for the expression of the gene in E. coli.
(2) Initial acceleration of the DRL responding appeared to be due to adventitious punishment of collateral behavior which was observed between the bar-presses.
(3) These findings suggest that adventitial mast cells may potentiate atherosclerosis and vasospasm, thrombosis and premature sudden death in long-term cocaine abusers.
(4) By studying the kinetics of urease-catalyzed urea hydrolysis during application of hydrodynamic shear under varying chemical environments, we demonstrate that micromolar quantities of metal ions, in this case adventitious Fe, can accelerate the oxidation of thiol groups on urease and thus inactivate it when the protein is subjected to a shearing stress of order 1.0 Pa.
(5) A marked reduction in the area covered by adventitial cells was recorded coinciding with the early reticulocyte response to phlebotomy.
(6) The use of established genetically engineered cultures in the production of biologicals for human use requires that these cultures be monitored for adventitious viral agents.
(7) 11.30am: Those playing "Leveson bingo" with Robert Jay QC 's florid language might like to note that he has so far used the word "adventitious" .
(8) The extent of marrow sinus wall coverage by perisinal adventitial cells was measured before and after removing 25% of the calculated blood volume in rabbits.
(9) Endothelial damage reduced sensitivity and response asymmetry to luminal and adventitial adenosine.
(10) The invention in 1819 of the stethoscope by Laënnec was followed by the first classification of pulmonary adventitial sounds.
(11) The soaked embryonic shoots formed new apical buds, with or without bud scales, adventitious dwarf needles or shoots, and root- and embryo-like structures.
(12) The histological findings failed to reveal significant differences in either thoracic or abdominal aneurysms with or without marked adventitial fibrosis.
(13) The greatest amount of nerves at all stages of human development occurs in the adventitial plexuses of the thyroid arteries; they are less numerous in the plexus of the splenic artery, and their minimal amount is noted in the plexus of the brachial artery.
(14) In method 2, 72% of the balloon-denuded patent arteries with intact adventitial vasa vasorum were partially re-endothelialized at 4 weeks and 84% at 8 weeks.
(15) This uptake appears to occur primarily in the muscle layers adjacent to the lumen, suggesting that the muscle cells of the luminal side function differently from those from the adventitial side.
(16) Adventitious effects, purposeful lenticular changes and adaptations in response to environmental forces are reviewed as possible sources of this astigmatic variability.
(17) The porphyrins have two important roles in photobiology: in photosynthesis, which has evolved and is highly organized morphologically; and in the photodynamic effect, which is adventitious.
(18) Intimal hyperplasia was observed in both groups, but the grafts in the hypertensive groups showed increased adventitial and medial fibrosis and a reduced number of vasa vasora.
(19) It was found that: the average maximum residual intimal engineering strain in the uncut configuration was -0.082 for all nine aortas and -0.096 and -0.077 for the bovine and porcine aortas alone, respectively; the average maximum residual adventitial strain was 0.085 for all aortas, and 0.102 and 0.078 for the bovine and porcine aortas alone, respectively; an estimated average beneficial compressive stress of -0.188 X 10(5) Pa (corresponding to a strain level of -0.082) is available at the intimal level to counteract the in vivo tensile stress due to the intravascular pressure; an estimated average initial tensile stress of 0.195 X 10(5) Pa (corresponding to a strain level of 0.085) exists at the adventitial level which adds to the in vivo tensile stress due to the intravascular pressure.
(20) Fluorescence histochemistry shows that helicine arteries are provided with an extremely dense network of adrenergic nerves located at the medio-adventitial border.
(a.) Originating in, or derived from, the constitution of the intellect, as opposed to acquired from experience; as, innate ideas. See A priori, Intuitive.
(a.) Joined by the base to the very tip of a filament; as, an innate anther.
(v. t.) To cause to exit; to call into being.
Example Sentences:
(1) A sequence of seven pairings of chili-flavored diet with prompt recovery from thiamine deficiency did significantly attenuate the innate aversion and may have induced a chili preference in at least one case.
(2) The model also lends itself to studies of the immunologic interrelationships between innate and acquired resistance to infection with schistosomes, as well as the mechanisms by which these parasites evade the host immune response.
(3) In a speech to Atlantic Bridge members in New York in November 2002, Fox warned "the natural desire to avoid conflict has been reinforced by an innate pacificism in many sections of western society, especially in continental Europe".
(4) Does he really think, like those daft gender essentialists, that women are innately gentle and men are big brutes out for a ruck?
(5) It is concluded that there is an increased activity of Na-K pump in the cultured MC from SHR, and that this abnormality may be innate to SHR cells.
(6) The choice of a trainee in surgery should be based at least partially on his innate abilities, and his training should be begun at an appropriate level.
(7) He is an innately optimistic character as well as a clever one, and a man who needs to persuade his party not to despair.
(8) X-irradiation apparently did not affect the innate susceptibility cr resistance of hamsters and mice to worms.
(9) But he does have an innate sense of what London needs.
(10) In an effort to assess the innate capacity of the central visual system to specify corticocortical connectivity in the absence of retinal afferents, we examined the tangential distribution of callosal cells and terminations in posterior neocortex of congenitally anophthalmic rats.
(11) It was suggested that the influence of strong timing constraints was greater on the auxiliary function than on the innate function of the biceps (elbow flexor).
(12) The combination of interferons was effective in suppressing glioblastoma growth both in cultures displaying relative sensitivity and those exhibiting innate resistance to either or both types of interferon when employed alone.
(13) Such a mechanism could play a key role in coordinating the humoral, cell-mediated, and innate responses of the immune system.
(14) 1, 2, 3, 6) would be attained at an earlier age and no plateau would be observed in contrast to Israeli non-clinical school children whose right-left reading-writing habits are in a direction opposite to the assumed innate drawing tendency, were confirmed at significant levels of confidence.
(15) Microcirculatory vascular bed was sampled from dura mater of children under 1 year (healthy and with intracranial hypertension due to innate hydrocephalus) and stained with hematoxylin-eosin.
(16) Trematode diseases have remained the same, but the tools (1) to exploit the innate ability of cells to replicate and produce biological products upon demand, (2) to manipulate the genetic makeup of an organism, (3) and to biologically or synthetically manufacture peptides have provided scientists with new reagents for diagnosing, treating, preventing and controlling trematode diseases.
(17) The correlation coefficient (Spearman's) for EC50 versus potency at the frog neuromuscular junction was -0.73, indicating innate differences between Torpedo and frog receptors.
(18) It is provisionally suggested that enhancement of the perseveration represents an innate response to stressful stimuli, but as animals learn mastery over the response contingencies, the persistence in adopting such a response strategy wanes.
(19) The neurobehavioral characteristics of the Tokai High-Avoider (THA) rats, which had an innate high-avoidance ability, were clarified by comparing with the Wistar rats from which the THA rat strain had been derived.
(20) The purpose of this assay was to assess the innate proliferative potential and microenvironmental influences on the ability to repopulate.