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venule
(redirected from postcapillary venule)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
venule [′ven·yül]
(anatomy)
A small vein.


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3) The following can also be observed: proteinaceous deposits in germinal centers, vascularization of germinal centers (Figure 1), necrosis of germinal centers, polykaryocytes (Warthin-Finkeldey-type giant cells), eosinophils in germinal centers, eosinophilic folliculolysis, eosinophilic microabscesses, postcapillary venule proliferation, stromal sclerosis, perivenular sclerosis, rare giant cells (Warthin-Finkeldey-type giant cells), or small eosinophilic granulomas.
Increased permeability results mainly from actions of histamine on postcapillary venules, where histamine causes the endothelial cells to contract and separate at their boundaries (Goodman-Gilman, 1990) by mediating mostly the [H.
Kimura disease tends to have a triad of follicular hyperplasia, infiltration by eosinophils, and proliferation of postcapillary venules.
 
 
 
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