Animals 1 Article 1 Brain 1 CD11b antigen 1 CD3+ T lymphocyte CD4+ T lymphocyte 1 CD8+ T lymphocyte 1 Cell Movement 1 Diet 1 Disease Models, Animal 1 Female 1 Institute for Cancer Research mouse 1 Macrophages 1 Male 1 Mice, Inbred ICR 1 Pain, Postoperative 1 Spinal Cord 1 T lymphocyte 1 T-Lymphocytes 1 animal 1 animal cell 1 animal experiment 1 animal model 1 animal tissue 1 brain 1 cell count 1 cell infiltration 1 cell motion 1 central nervous system 1 chow diet 1