Mucosal defense against enteric pathogens.
D005744:Gastric Acid / Q000502:physiology; D005769:Gastrointestinal Motility; D006801:Humans; D007071:Immunoglobulin A, Secretory / Q000276:immunology*; D007413:Intestinal Mucosa / Q000276:immunology*; D008895:Milk, Human / Q000276:immunology
D007071:Immunoglobulin A, Secretory