endothelial cell activation within high endothelial venule involved in immune response

id: GO:0002259
name: endothelial cell activation within high endothelial venule involved in immune response
namespace: biological_process
type: go
obsolete: False

Description: 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.

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