(a.) Sharp at the end; ending in a sharp point; pointed; -- opposed to blunt or obtuse; as, an acute angle; an acute leaf.
(a.) Having nice discernment; perceiving or using minute distinctions; penetrating; clever; shrewd; -- opposed to dull or stupid; as, an acute observer; acute remarks, or reasoning.
(a.) Having nice or quick sensibility; susceptible to slight impressions; acting keenly on the senses; sharp; keen; intense; as, a man of acute eyesight, hearing, or feeling; acute pain or pleasure.
(a.) High, or shrill, in respect to some other sound; -- opposed to grave or low; as, an acute tone or accent.
(a.) Attended with symptoms of some degree of severity, and coming speedily to a crisis; -- opposed to chronic; as, an acute disease.
(v. t.) To give an acute sound to; as, he acutes his rising inflection too much.
Example Sentences:
(1) In January 2011, the Nobel peace prize laureate was admitted to a Johannesburg hospital for what officials initially described as tests but what turned out to be an acute respiratory infection .
(2) It is concluded that acute renal denervation augments the pressure diuresis that follows carotid occlusion.
(3) Ethanol and L-ethionine induce acute steatosis without necrosis, whereas azaserine, carbon tetrachloride, and D-galactosamine are known to produce steatosis with varying degrees of hepatic necrosis.
(4) IgE-mediated acute systemic reactions to penicillin continue to be an important clinical problem.
(5) The cumulative incidence of grade II and III acute GVHD in the 'low dose' cyclosporin group was 42% compared to 51% in the 'standard dose' group (P = 0.60).
(7) After a period on fat-rich diet the patient's physical fitness was increased and the recovery period after the acute load was shorter.
(8) It was concluded that metoclopramide and dexamethasone showed an excellent antiemetic effect on acute drug-induced emesis, as well as on delayed emesis, induced by cisplatin.
(9) The results suggest that RPE cannot be used reliably as a surrogate for direct pulse measurement in exercise training of persons with acute dysvascular amputations.
(10) Statistically significant differences were found mainly in the randomized trial, where during the first and second years, respectively, adenoidectomy subjects had 47% and 37% less time with otitis media than control subjects and 28% and 35% fewer suppurative (acute) episodes than control subjects.
(11) Tumour necrosis factor (TNF), a polypeptide produced by mononuclear phagocytes, has been implicated as an important mediator of inflammatory processes and of clinical manifestations in acute infectious diseases.
(12) During the procedure, acute respiratory failure developed as a result of tracheal obstruction.
(13) Four patients with acute brucellosis are described, none of whom had any connexion with farming or milk industry, the source of infection being different in each case.
(14) The leukemic T-cells in two patients with chronic lymphocytic leukemia (CLL) had specific features of large granular lymphocytes (LGL), and those in two patients with acute lymphocytic leukemia (ALL) had L2 morphologic characteristics.
(15) The acute effect of alcohol manifested itself by decreasing mitochondrial respiration, compensated by increased glycolytic activity of the myocardium so that myocardial energy phosphate concentration remained unchanged.
(16) The introduction of intravenous, high-dose thrombolytic therapy during a brief period has markedly reduced mortality of patients with acute myocardial infarction.
(17) The younger patients more often experienced an acute arthritis with sacroiliitis resembling a reactive disease.
(18) All five individuals appeared to have acute C. pneumoniae infection as determined by results of serologic tests (titers of IgM antibody for all individuals were greater than or equal to 1:16).
(19) The results clearly show that the acute hyperthermia of unrestrained rats induced by either peripheral or central injections of morphine is not caused by activation of the pituitary-adrenal axis.
(20) The effect of hypertension, hyperlipidemia, and the combination of both on acute and chronic myocardial ischemia were evaluated in a total of 30 male rabbits.
Inflammation
Definition:
(n.) The act of inflaming, kindling, or setting on fire; also, the state of being inflamed.
(n.) A morbid condition of any part of the body, consisting in congestion of the blood vessels, with obstruction of the blood current, and growth of morbid tissue. It is manifested outwardly by redness and swelling, attended with heat and pain.
(n.) Violent excitement; heat; passion; animosity; turbulence; as, an inflammation of the mind, of the body politic, or of parties.
Example Sentences:
(1) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(2) The authors followed up the occurrence of inflammation-mediated osteopenia (IMO) in young and adult rats weighing 50 g and 150 g, respectively.
(3) The base materials caused more pulpal inflammation than the control material, Kalzinol, although by an indirect mechanism.
(4) Achilles tendon overuse injuries exist as a spectrum of diseases ranging from inflammation of the paratendinous tissue (paratenonitis), to structural degeneration of the tendon (tendinosis), and finally tendon rupture.
(5) The authors describe the role played by these substances in the pathogenesis of inflammations, their importance in the regulation of intraocular pressure and in the development of cystoid macular oedema.
(6) The aim of our experiments was to investigate firstly whether during an acute inflammatory process platelets accumulate in the inflamed area and secondly whether the inflammation has an effect on the properties of the platelets.
(7) A patient with abdominal discomfort and hematemesis was found to have lower esophageal inflammation on endoscopy.
(8) Hence, presence of IgG rheumatoid factor correlated positively with the presence of rheumatoid disease, and evidence was established that certain features of rheumatoid inflammation occur in dental periapical lesions of many patients with rheumatoid disease.
(9) The development of pulmonary edema in high-altitude residents with upper respiratory infections and no antecedent low-altitude journey is consistent with the presence of other factors such as inflammation, which may play a role in the pathogenesis of the edema.
(10) Vulvovaginal inflammations and infections in the premenarchal child are caused by a large number of etiologic agents.
(11) However, coinciding with the height of inflammation and clinical signs at 12 dpi, the GFAP mRNA content dropped to approximately 50% of the level at 11 dpi but rose again at 13 dpi.
(12) Earlier recognition of foul-smelling mucoid discharge on the IUD tail, or abnormal bleeding, or both, as a sign of early pelvic infection, followed by removal of the IUD and institution of appropriate antibiotic therapy, might prevent the more serious sequelae of pelvic inflammation.
(13) On the other hand, the compound was more potent on secondary or late stage than on primary stage of inflammation, and to some extent showed the mode of action seen with steroid antiinflammatory drugs.
(14) Although the mechanism(s) by which melanin augments inflammation has not been defined, these data suggest that the binding of serum components (such as antibodies) to melanin may contribute to its proinflammatory effect.
(15) Morphologic and microbiologic study of the operation and biopsy specimens, obtained from 73 patients with odontogenic inflammatory processes has shown that in 38% of cases the inflammation was induced by mixed fungal and bacterial flora.
(16) Major reported complications include hemorrhage, perforation, biliary and pancreatic obstruction, and inflammation with intestinal obstruction.
(17) In adults it reappears in malignant tumors and during inflammation and tissue repair.
(18) The data indicate that activated helper T cells are required and sufficient to give rise to the inflammatory infiltrates that are characteristic of the inflammations and exacerbations in human rheumatoid arthritis.
(19) The mice that remained asymptomatic at this time showed few signs of inflammation and none developed clinical disease over the following 9 months.
(20) Experiments have been performed using CO2 laser-assisted microvascular anastomoses, and they demonstrated the following features, in comparison with conventional anastomoses: ease in technique; less time consumption; less tissue inflammation; early wound healing; equivalency of patency rate and inner pressure tolerance; but only about 50 percent of the tensile strength of manual-suture anastomosis.