A chronic model of arthritis supported by a strain-specific periarticular lymph node in BALB/c mice
(a) Section of paraffin-embedded hind leg from BALB/c mouse in the early chronic phase of RA with hematoxylin eosin staining. Arrows: periarticular lymph node (paLN) close to the knee joint and popliteal lymph node (pLN) embedded in fat tissue. Black bars...