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Age Dependency of the Composition of Immunocompetent Cells and the Expression of Adhesion Molecules in Rat Laryngeal Mucosa

Clinical evidence shows that laryngeal infections in infants differ significantly from those in adults. Therefore, the composition of the mucosal immune system (granulocytes, macrophages, dendritic cells, natural killer cells, and T and B lymphocytes) and the epithelial expression of class II‐MHC molecules and adhesion molecules ICAM‐1, VCAM‐1, and E‐selectin were studied in the larynx of newborn, 5‐week‐old, and 3‐year‐old rats.