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Variant of etiology.


(1) As commonly used in medical practice, cause.
(2) A branch of knowledge concerned with the causes of particular phenomena; specifically, a branch of medical science concerned with the causes and origins of diseases. This definition is rarely used in the working parlance.


1. The science and study of the causes of disease and their mode of operation.
Compare: pathogenesis
2. The science of causes, causality; in common usage, cause.
Synonym(s): aetiology.
[G. aitia, cause, + logos, treatise, discourse]


The cause of a disease. This may involve many factors, including susceptibility arising from a hereditary tendency or genetic cause, environmental factors, previous related illness, unwise or unhealthy lifestyle, exposure to infective agents, and so on. The term is derived from the Greek aitia , a cause and logos , a discourse. Compare PATHOGENESIS.




the study of causes (usually of a disease).


cause of disease


The cause or origin of a disease. Note: also spelt etiology. See diagnosis; epidemiology.


Patient discussion about aetiology

Q. how is depression caused by having cancer treated? I mean not only the patient, also the family members who tend to get depressed by the situation. how can you treat thi skind of depression?

A. thanks guys, you are great. Nice to have such a community here.

Q. What causes fibromyalgia? Is fibromyalgia a deadly disease?

A. The causes of fibromyalgia are not known. But there are many theories such as abnormalities in brain chemicals, infections, trauma, genetics and hormonal changes. Factors such as poor sleep, fatigue, overexertion and anxiety, may aggravate the symptoms. Fibromyalgia is not a progressive or life-threatening condition, but it affects quality of life. Fibromyalgia is only a disorder of muscles and not a disease.

Q. Is that true that mouth sores are caused by lack of vitamins? I’ve been having white mouth sores in the past 6 months or so. Could that mean I have to take vitamin supplements?

A. yup ... autoimmune reactions means your immune system is not working well
it's not working well because it lacks the nutrient and vitamins it needs to function properly
- take lots of vitamin c to boost your immune system
- organic multivitamins
- organic juices high in anti oxidants
- and most important .. omega 3-6-9

More discussions about aetiology
References in periodicals archive ?
Having any Infection Has an Infection Aetiologically Has an Infection Clinically Yes No Total Yes 70 55 125 No 4 182 186 Total 74 237 311 Sensitivity = 95% Positive predictive value = 56% Specificity = 77% Negative predictive value = 98% Kappa value = 58% Percentage of agreement = 81% II.
The likelihood of having an endogenous infection aetiologically increases by approximately four times for those using old cloth for menstrual protection, a relation that was also shown in bivariate analysis (Model 2).
7% cervical cancer cases, (2) and is also aetiologically linked to a significant proportion of anal, vulvar, vaginal, penile and oropharyngeal cancers.
7% of cervical cancer cases, and are also aetiologically linked to a significant proportion of anal, vulvar, vaginal, penile and oropharyngeal cancers.
Gastric cancers can be divided into two major types: the diffuse type, which is aetiologically linked to host genetic factors and the intestinal type, with an environmental aetiology.