lavage fluid specimen bronchial alveolar lavage solution containing lung derived T cells, eosinophils, and TNFa. GROUP: IEDB PERSON: Bjoern Peters BAL bronchial alveolar lavage Group of biomaterials present in the bronchial aveolar space of an organism which are collected through lavage including the reagents used to for the lavage process, organisms, cells, and cellular secretions present in the bronchial aveolar space. metadata complete