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postcapillary

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postcapillary /post·cap·il·lary/ (-kap´ĭ-lar´e)
1. located just to the venous side of a capillary.

postcapillary [pōst-kap´ĭ-lar″e]
1. located just to the venous side of a capillary.

postcapillary
a venous capillary.

postcapillary venule
located in lymphoid tissue these are the site of recirculation of the lymphocytes from the blood to the lymphoid tissue.


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HISTOPATHOLOGY The most common histologic features of Kimura disease include preserved nodal architecture (Figure 1); follicular hyperplasia with reactive germinal centers; well-formed mantle zones; eosinophilic infiltrates involving the inter-follicular areas (Figure 2), sinusoidal areas, perinodal soft tissue (Figure 3), and subcutaneous tissue; and proliferation of postcapillary venules.
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.
Neutrophil-derived oxidants promote leukocyte adherence in postcapillary venules.
 
 
 
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