Histopathology of venule


Artery and vein explanatory video

Venules are important in acute inflammation where there is prominent vasodilation. This causes the venule intercellular endothelial gaps which allows increased vascular permeability as a result of the contraction of endothelial cells leading to increase intercellular gaps. This is induced within 15-30 minutes of injury and is mediated by histamine.

 

 
Permiability in venule
    
 

 

 

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