The mucous membrane lining the respiratory tract. [ http://www.informatics.jax.org/accession/cwg MP:0002277 MESH:A04.760 ]
Synonyms: mucosa of apparatus respiratorius mucous membrane of respiratory system mucosa of organ of apparatus respiratorius apparatus respiratorius mucosa of organ respiratory system mucosa of organ apparatus respiratorius mucous membrane respiratory system mucous membrane mucosa of respiratory system mucosa of organ of respiratory system apparatus respiratorius mucosa mucous membrane of apparatus respiratorius