What's the difference between accidental and adventitious?

Accidental


Definition:

  • (a.) Happening by chance, or unexpectedly; taking place not according to the usual course of things; casual; fortuitous; as, an accidental visit.
  • (a.) Nonessential; not necessary belonging; incidental; as, are accidental to a play.
  • (n.) A property which is not essential; a nonessential; anything happening accidentally.
  • (n.) Those fortuitous effects produced by luminous rays falling on certain objects so that some parts stand forth in abnormal brightness and other parts are cast into a deep shadow.
  • (n.) A sharp, flat, or natural, occurring not at the commencement of a piece of music as the signature, but before a particular note.

Example Sentences:

  • (1) The data from this experience as well as others previously reported can yield prognostic indicators of survival in cases of accidental hypothermia.
  • (2) Accidentally discovered nearly 40 years ago as the first true antidepressants, the MAOIs soon fell into disfavor due to concerns about toxicity and seemingly lesser efficacy compared with the newer tricyclic compounds.
  • (3) He's called out for his lack of imagination in a stinging review by a leading food critic (Oliver Platt) and - after being introduced to Twitter by his tech-savvy son (Emjay Anthony) - accidentally starts a flame war that will lead to him losing his job.
  • (4) Accidental injury is the leading cause of death in persons between the ages of 1 and 50 years in our Western society.
  • (5) Women on the beat: how to get more female police officers around the world Read more Mortars were, for instance, used on 5 June when Afghan national army soldiers accidentally hit a wedding party on the outskirts of Ghazni, killing eight children.
  • (6) Cavernous hemangiomas of the brain stem are usually discovered accidentally during evacuation of a hematoma, and successful surgical treatment of these lesions is seldom achieved.
  • (7) The time of insertion had no effect on the rate of accidental pregnancy (p less than .05).
  • (8) A case history is presented of a 10-year-old patient, who accidentally injured her maxillary central incisor.
  • (9) Doctors refuse to discharge 'Baby Asha' because of fears for safety on Nauru Read more It’s understood the baby girl, who is about a year old and is known as Asha, suffered burns when boiling water was accidentally spilt on her on Nauru.
  • (10) Early charcoal administration may be of value therefore in reducing the toxicity of mefenamic acid after deliberate or accidental overdosage.
  • (11) The gastrostomy catheter can be easily removed when treatment is ended and conveniently replaced if accidentally dislodged.
  • (12) Rapid heart beat was found accidentally by auscultation.
  • (13) This study analyzes data on accidental falls for those aged 65 and older.
  • (14) There was nothing accidental about Saffiyah Khan’s easy nonchalance, grinning through the spitting rage of Ian Crossland at the EDL rally in Birmingham city centre at the weekend; Ieshia Evans knew there was more power in calm when she approached the police in Baton Rouge last summer.
  • (15) A deformed hip joint which was accidentally found in a test pig is described.
  • (16) Nonfatal complications specifically related to splenectomy occurred in 15 per cent of patients with multi-organ injury and in 18 per cent of patients with incidental-accidental splenic removal.
  • (17) It is concluded that, from the individual's perspective, the influence of situational factors means that part of his consumption is determined by more or less accidental circumstances like the opportunities to drink, the size of the drinking group and group pressure.
  • (18) But it would be also thinkable that it is an accidental combination of diseases, the number of which increases at growing age.
  • (19) Active Surveillance decreases the possibility of misidentifying abuse related deaths as accidental, and allows state agencies to follow abuse fatalities, collecting pertinent information and adjusting policy accordingly.
  • (20) The atherosclerotic involvement of coronary branch vessels (first diagonal, first septal, posterior descending, left and right marginals, conus and the vessels supplying the conduction system) was investigated in 450 apparently healthy subjects aged 11-55 years who died of accidental causes.

Adventitious


Definition:

  • (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.