Figure 4

Cortex of a cervical lymph node. Immunohistochemical co-staining with polyclonal anti-GFAP antibody (DAKO) in red (directly conjugated) and anti-LYV1 in orange. DAPI for nuclear staining in blue. Lymphatic labyrinth (asterisk), here labeled by LYV1, shows colocalization with GFAP. GFAP also appears to be present in other vessel-like structures (arrows).