obsolete endothelial cell activation within high endothelial venule involved in immune response (obsolete GO:0002259)
OBSOLETE. A change in the morphology or behavior of an endothelial cell within a high endothelial venule resulting from exposure to an activating factor such as a cellular or soluble ligand, leading to the initiation or perpetuation of an immune response.
endothelial cell activation within high endothelial venule during immune response
related