We don't have synonyms for respiratory tracts yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are respiratory tract.
We don't have any synonyms for respiratory tracts yet.
(n) :
(anatomy) The passages, divided into an upper and a lower part, through which air enters and leaves the body, including the mouth, nose and nasal passages, pharynx, larynx, trachea, bronchi and conducting bronchioles, sometimes further including the respiratory bronchioles, alveolar ducts and alveoli.
(n) :
(anatomy) The passages, divided into an upper and a lower part, through which air enters and leaves the body, including the mouth, nose and nasal passages, pharynx, larynx, trachea, bronchi and conducting bronchioles, sometimes further including the respiratory bronchioles, alveolar ducts and alveoli.