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==Description==
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==Introduction==
 
Transudates are a type of [[:Category:Effusions|effusion]] that has a low cellularity and a low protein content.  Transudates occur due to imbalances in the [[Blood Pressure Physiology#Capillary Fluid Shift Mechanism |'''Starling forces''']], of which the two principal examples are hydrostatic pressure and plasma oncotic pressure (or colloid osmotic pressure).  The following causes of transudate effusions are therefore recognised:
 
Transudates are a type of [[:Category:Effusions|effusion]] that has a low cellularity and a low protein content.  Transudates occur due to imbalances in the [[Blood Pressure Physiology#Capillary Fluid Shift Mechanism |'''Starling forces''']], of which the two principal examples are hydrostatic pressure and plasma oncotic pressure (or colloid osmotic pressure).  The following causes of transudate effusions are therefore recognised:
 
*'''Reduced plasma oncotic pressure''' may occur if plasma proteins are lost.  Albumin contributes 75% of the total oncotic pressure so [[Hypoalbuminaemia|'''hypoalbuminaemia''']] is the major cause of transudate effusions.
 
*'''Reduced plasma oncotic pressure''' may occur if plasma proteins are lost.  Albumin contributes 75% of the total oncotic pressure so [[Hypoalbuminaemia|'''hypoalbuminaemia''']] is the major cause of transudate effusions.
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|flashcards = [[Cytology Q&A 13]]
 
|flashcards = [[Cytology Q&A 13]]
 
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{{review}}
 
{{review}}
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[[Category:Effusions]]
 
[[Category:Effusions]]
 
[[Category:Expert_Review]]
 
[[Category:Expert_Review]]
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