title: Neonatal host-defense mechanisms.
mesh_terms: D000328:Adult; D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D001724:Birth Weight; D002633:Chemotaxis; D002648:Child; D006801:Humans; D007109:Immunity; D007070:Immunoglobulin A / Q000096:biosynthesis; D007074:Immunoglobulin G / Q000096:biosynthesis; D007075:Immunoglobulin M / Q000096:biosynthesis; D007231:Infant, Newborn; D007962:Leukocytes / Q000276:immunology; D009895:Opsonin Proteins / Q000096:biosynthesis; D013601:T-Lymphocytes / Q000276:immunology; D013997:Time Factors
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D009895:Opsonin Proteins