title: Adaptation and nonspecific mechanisms of immunity.
mesh_terms: D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D000917:Antibody Formation; D001110:Arctic Regions; D001770:Blood Bactericidal Activity; D002940:Circadian Rhythm; D003080:Cold Temperature; D003165:Complement System Proteins / Q000378:metabolism; D005060:Europe / Q000208:ethnology; D006801:Humans; D007109:Immunity; D007962:Leukocytes / Q000276:immunology; D009113:Muramidase / Q000097:blood / Q000378:metabolism; D010587:Phagocytosis; D011414:Properdin / Q000378:metabolism; D012463:Saliva / Q000201:enzymology; D012800:Siberia / Q000208:ethnology; D013997:Time Factors
chemical_list: D011414:Properdin; D003165:Complement System Proteins; D009113:Muramidase