The T-lymphocyte, the mucinous epithelial interstitium, and immunostimulation.
D004848:Epithelium / Q000276:immunology / Q000473:pathology; D006801:Humans; D007114:Immunization; D012867:Skin / Q000276:immunology* / Q000473:pathology; D012871:Skin Diseases / Q000276:immunology* / Q000473:pathology; D013601:T-Lymphocytes / Q000276:immunology*