Lymphocytes in the bronchoalveolar space reenter the lung tissue by means of the alveolar epithelium, migrate to regional lymph nodes, and subsequently rejoin the systemic immune system.
Anat Rec. 2001 Nov 1;264(3):229-36. doi: 10.1002/ar.1163.
Anat Rec. 2001.
PMID: 11596005