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Variant of etiology.


(ˌiːtɪˈɒlədʒɪ) or


n, pl -gies
1. the philosophy or study of causation
2. (Medicine) the study of the causes of diseases
3. (Medicine) the cause of a disease
[C16: from Late Latin aetologia, from Greek aitiologia, from aitia cause]
ˌaetiˈologist, ˌetiˈologist n

etiology, aetiology

1. the branch of medical science that studies the causes of diseases and the factors underlying their spread.
2. the accumulated knowledge of disease causes. — etiologist, n. — etiologic, etiological, adj.
See also: Disease and Illness
etiology. — aetiological, adj.
See also: Origins
the science of causation. — etiologic, aetiologic, etiological, aetiological, adj.
See also: Philosophy
the science of the causes of natural phenomena. — etiologic, aetiologic, etiological, aetiological, adj.
See also: Nature
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aetiology - the cause of a diseaseaetiology - the cause of a disease    
cause - events that provide the generative force that is the origin of something; "they are trying to determine the cause of the crash"
2.aetiology - the philosophical study of causation
philosophy - the rational investigation of questions about existence and knowledge and ethics


, (US) etiology
n (Med, fig) → Ätiologie f
References in periodicals archive ?
Chronic liver disease of various etiologies can progress into liver failure and end-stage liver disease.
Objective: Todetermine the frequency of common etiologies of erythroderma in patients visiting a tertiary care hospital in Karachi.
Among the 23 deaths, 22 were attributed to bacterial etiologies (nine to Listeria monocytogenes, five Salmonella, four STEC O157, three Clostridiumperfringens, and one Shigella), and one to norovirus.
Though it is well recognized that most cases of spontaneous renal hemorrhage are secondary to renal mass, in incidental cases where the source of bleeding is nonexistent, idiopathic, and non traumatic, etiologies should be taken into account.
In additional findings, a history of postpartum hemorrhage due to one etiology, for example, uterine atony or retained placenta, increased the risk not only of a recurrence of hemorrhage due to the same etiology but also of occurrence of hemorrhage due to other etiologies.
Conclusion: Infections and postpericardiotomy syndrome are the most common etiologies of pericardial effusion in our study group.
If you have a patient who is a young woman, you have to start thinking about other etiologies to appropriately treat and avoid future strokes.
Three (5%) patients had other identifiable etiologies.
The purpose of our descriptive retrospective study was to analyze data collected within the Electronic Foodborne Outbreak Reporting System (eFORS) in school settings in order to examine the magnitude of foodborne disease etiologies, particularly norovirus, and to recommend strategies for prevention.
Presumably, the most common etiologies of encephalitis are infectious (11), and viral pathogens account for most diagnosed cases.
It may develop as a result of variable etiologies such as congenital heart disease, infections, vasculitis, arteriovenous communications, trauma and connective tissue diseases (1).
The study looked at variances in age, gender, and ethnicity among pediatric acute pancreatitis patients, as well as leading etiologies and highest risk factors for in-hospital death.