(n.) The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things.
(n.) The assignment of a cause.
Example Sentences:
(1) The data indicate that ebselen is likely to be useful in the therapy of inflammatory conditions in which reactive oxygen species, such as peroxides, play an aetiological role.
(2) The aetiological factors concerned in the production of paraumbilical and epigastric hernias have been reviewed along structural--functional lines.
(3) In the aetiology the Periodontitis apicalis and wounds after tooth extractions are in the highest position.
(4) While much research has examined the aetiology and treatment of asthma, little work has been done on its social impact.
(5) A traumatic factor in the aetiology of the AVM was also discussed, since the patient had had two preceding episodes of traffic accidents with cranial and lumbar injury.
(6) A viral aetiology for this group of diseases remains an attractive but unsubstantiated hypothesis.
(7) The rationale for using the high-risk-group research design in the search for the aetiology of schizophrenia is described.
(8) Thirty patients were evaluated in a blind fashion to study the effect of oral propranolol on portal hypertension of varied aetiology.
(9) It appears that irrespective of the elucidation of the nature of the putative aetiological factor (presumed to be viral) in MS, the arrest and reversal of T cell-related events within the CNS in this devastating condition represent feasible goals and should remain a major target for some time to come.
(10) However, occupational hazards, toxic and iatrogenic drug-induced aetiologies should not be overlooked.
(11) These results, together with the gradual onset of symptoms which worsened after each pregnancy, suggest a possible autoimmune aetiology of her pituitary ACTH and Prl deficiencies.
(12) No common aetiological factor could be found, although four of these patients did have a mild or moderatley active superficial chronic gastritis.
(13) These studies demonstrated an association of HIV virus with cytopathic and immunopathogenic reactions in lymphatic organs of AIDS patients, and are consistent with previous results, as well as indicative of a primary aetiologic role for the virus.
(14) The aetiology remains at present uncertain and therefore rational therapeutic strategies are difficult to plan.
(15) It is important that the aetiology of the hypercalcaemia be established, as it can reflect serious disease.
(16) Recent theoretical developments in health psychology and allied disciplines on coping behaviour and social support should be integrated into biomedical models of the aetiology, pathogenesis and clinical course of malignant neoplasia.
(17) The syndrome of ovarian hyperstimulation is an exceptional aetiology of pleural effusion.
(18) Parental consanguinity suggests that an autosomal recessive mutation is the likely aetiology.
(20) Frequency, clinical aspects, histology and aetiology of the above described disorders of placentation are discussed.
Epidemiology
Definition:
(n.) That branch of science which treats of epidemics.
Example Sentences:
(1) Consensual but rationally weak criteria devised to extract inferences of causality from such results confirm the generic inadequacy of epidemiology in this area, and are unable to provide definitive scientific support to the perceived mandate for public health action.
(2) The epidemiology of HIV infection among women and hence among children has progressively changed since the onset of the epidemic in Western countries.
(3) Subtypes of HBs Ag are already of great use in the epidemiology of hepatitis B virus infections; yet they may have additional significance.
(4) Because of the dearth of epidemiological clues as to causation, studies with experimental animal models assume greater importance.
(5) Epidemiological studies on low risks involve a number of major methodological difficulties.
(6) The purpose of this paper is to discuss the potential for integrating surveillance techniques in reproductive epidemiology with geographic information system technology in order to identify populations at risk around hazardous waste sites.
(7) The clinical and epidemiological aspects of these 35 cases are discussed.
(8) We present a mathematical model that is suitable to reconcile this apparent contradiction in the interpretation of the epidemiological data: the observed parallel time series for the spread of AIDS in groups with different risk of infection can be realized by computer simulation, if one assumes that the outbreak of full-blown AIDS only occurs if HIV and a certain infectious coagent (cofactor) CO are present.
(9) Schistosomal obstructive uropathy was studied by clinical, laboratory epidemiologic and pathologic analysis in 155 Egyptian patients treated surgically.
(10) The epidemiological effectiveness of dipyridamol, an interferon-inducing agent used for the prevention of influenza and viral acute respiratory diseases, was tested in 4 epidemiological trials, 3 of them carried out as double blind trials.
(11) Studies of diarrhoeal disease have been limited mainly to descriptive epidemiological investigations.
(12) This preliminary study estimates the occurrence of concurrent helminth infection in Africa and Brazil to determine whether such an approach is justified epidemiologically.
(13) This method can characterize reliably flavivirus field isolates at the molecular level without extensive virus propagation and molecular cloning, and will be a valuable tool for molecular epidemiological studies.
(14) In this series, the association between the anomalous ductal insertion and biliary tract disease cannot be established, since the method of patient selection obviates any epidemiologic consideration.
(15) This may help explain the poor correlation of low-back pain with radiographic degenerative changes reported in previous epidemiologic studies.
(16) Nevertheless, they are still being widely used, since in most cases only the epidemiology of the disease points to the etiologic role of A. cantonensis.
(17) However, the epidemiology and clinical course of AIDS are different in Africa and in the West.
(18) The author formulates possible approaches to the solution of the information problem in epidemiology.
(19) As yet there is no evidence that the occurrence of savanna flies in the rain forest zone of Liberia was of epidemiological significance.
(20) A 12-month epidemiological survey of attacks of acute myocardial infarction was carried out in a large urban population.