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Cause, also known as etiology (/ iː t i ˈ ɒ l ə dʒ i /) and aetiology, is the reason or origination of something. [ 1 ] The word etiology is derived from the Greek αἰτιολογία , aitiologia , "giving a reason for" ( αἰτία , aitia , "cause"; and -λογία , -logia ).
Etiology (/ ˌ iː t i ˈ ɒ l ə dʒ i /; alternatively spelled aetiology or ætiology) is the study of causation or origination. The word is derived from the Greek word αἰτιολογία ( aitiología ), meaning "giving a reason for" (from αἰτία ( aitía ) 'cause' and -λογία ( -logía ) 'study of'). [ 1 ]
The efficient or moving cause of a change or movement. This consists of things apart from the thing being changed or moved, which interact so as to be an agency of the change or movement. For example, the efficient cause of a table is a carpenter, or a person working as one, and according to Aristotle the efficient cause of a child is a parent.
In analytic philosophy, notions of cause adequacy are employed in the causal model. In order to explain the genuine cause of an effect, one would have to satisfy adequacy conditions, which include, among others, the ability to distinguish between: Genuine causal relationships and accidents. Causes and effects. Causes and effects from a common ...
An idiopathic disease is any disease with an unknown cause or mechanism of apparent spontaneous origin. [1]For some medical conditions, one or more causes are somewhat understood, but in a certain percentage of people with the condition, the cause may not be readily apparent or characterized.
Some syndromes such as nephrotic syndrome may have a number of underlying causes that are all related to diseases that affect the kidneys. [33] Sometimes a child or young adult may have symptoms suggestive of a genetic disorder that cannot be identified even after genetic testing. In such cases the term SWAN (syndrome without a name) may be ...
Causes may sometimes be distinguished into two types: necessary and sufficient. [19] A third type of causation, which requires neither necessity nor sufficiency, but which contributes to the effect, is called a "contributory cause". Necessary causes If x is a necessary cause of y, then the presence of y necessarily implies the prior occurrence ...
The most common causes of pathologic transudate include conditions that: [citation needed] Increase hydrostatic pressure in vessels: left ventricular heart failure, Decrease oncotic pressure in blood vessels: Cirrhosis (Cirrhosis leads to hypoalbuminemia and decreasing of colloid oncotic pressure in plasma that causes edema)