The relationship between the immune system and mucus in the protection of mucous membranes.
D000818:Animals; D007107:Immune System / Q000502:physiology*; D007070:Immunoglobulin A / Q000032:analysis; D007422:Intestines / Q000469:parasitology; D007781:Lactoferrin / Q000032:analysis; D009092:Mucous Membrane / Q000276:immunology* / Q000502:physiology; D009093:Mucus / Q000032:analysis / Q000276:immunology* / Q000502:physiology; D009113:Muramidase / Q000378:metabolism
D007070:Immunoglobulin A; D009113:Muramidase; D007781:Lactoferrin