(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.
Branch
Definition:
(n.) A shoot or secondary stem growing from the main stem, or from a principal limb or bough of a tree or other plant.
(n.) Any division extending like a branch; any arm or part connected with the main body of thing; ramification; as, the branch of an antler; the branch of a chandelier; a branch of a river; a branch of a railway.
(n.) Any member or part of a body or system; a distinct article; a section or subdivision; a department.
(n.) One of the portions of a curve that extends outwards to an indefinitely great distance; as, the branches of an hyperbola.
(n.) A line of family descent, in distinction from some other line or lines from the same stock; any descendant in such a line; as, the English branch of a family.
(n.) A warrant or commission given to a pilot, authorizing him to pilot vessels in certain waters.
(a.) Diverging from, or tributary to, a main stock, line, way, theme, etc.; as, a branch vein; a branch road or line; a branch topic; a branch store.
(v. i.) To shoot or spread in branches; to separate into branches; to ramify.
(v. i.) To divide into separate parts or subdivision.
(v. t.) To divide as into branches; to make subordinate division in.
(v. t.) To adorn with needlework representing branches, flowers, or twigs.
Example Sentences:
(1) He added: "There is a rigorous review process of applications submitted by the executive branch, spearheaded initially by five judicial branch lawyers who are national security experts and then by the judges, to ensure that the court's authorizations comport with what the applicable statutes authorize."
(2) The adjacent gauge was separated from the ischemic segment by one large nonoccluded diagonal branch of the left anterior descending artery.
(3) Subsequently, the study of bundle branch block and A-V block cases revealed that no explicit correlation existed between histopathological changes and functional disturbances nor between disturbances in conduction (i.e.
(4) This result demonstrates that branching enzyme belongs to a family of the amylolytic enzymes.
(5) One rare case of blind-ending branch originating in the upper third of the ureter are described.
(6) An anatomic study of the peroneal artery and vein and their branches was carried out on 80 adult cadaver legs.
(7) According to the national bank, four Russian banks were operating in Crimea as of the end of April, but only one of them, Rossiisky National Commercial Bank, was widely represented, with 116 branches in the region.
(8) The present study was done in order to document the ability of the eighth cranial nerve of the bullfrog (Rana catesbeiana) to regenerate, the anatomic characteristics of the regenerated fibers, and the specificity of projections from individual endorgan branches of the nerve.
(9) Mechanisms by which a defect in the synthesis of dolichol-oligosaccharides might alter the degree of beta-1,6 branching in N-linked carbohydrates are discussed.
(10) Arterial-type flows produced a pair of vortex sinks downstream of the branching port.
(11) The ACoA branches were divided into the small and the large.
(12) It is possible that the elements provide common precursor proteins that reach the secretory intermediate lobe cells through their dendritic branches.
(13) Limitations include the facts that the tracer inventory requires a minimal survival period, can only be done postmortem, and has low resolution for cuts of the vagal hepatic branch.
(14) So we concluded that duplications and accessories should be thought to have similar meanings with the ordinary branching patterns of MCA in the occurrence of aneurysms.
(15) In the case with a more distally situated VSD, the bundle branches skirted the anterior and distal walls of the defect.
(16) Our results show that stenosis of about one-third of the original external diameter of the artery and vein of the pedicle in our model did not have any significant influence on the survival of the flap and ligation of the femoral artery distal to the branch to the flap did not produce any statistical difference in the viability of the flap.
(17) Autopsy revealed a primary intimal sarcoma with osteogenic elements arising in the posterior leaflet of the pulmonary valve and obstructing the main pulmonary artery and its right branch.
(18) Three cases with intermittent left bundle branch block were studied by means of an intracavitary electrode, which allowed the potential of the bundle of His to be measured, and was also used for the extrastimulus method of study.
(19) 500-MHz H-NMR spectroscopy of the oligosaccharides derived from gamma-seminoprotein, a human seminal plasma glycoprotein, revealed considerable microheterogeneity both with respect to the degree of branching and with regard to the peripheral sugars.
(20) The behavior of the retrograde H deflection in respect to the first extra beat following the premature QRS complex helped in excluding bundle branch reentry.