Lower Respiratory System

The lower respiratory system, or lower respiratory tract, is the lungs and other parts of the respiratory system (breathing) in the lower regions. This is distinguished from the Upper Respiratory Tract. Lower respiratory disorders include lung infections (pneumonia), bronchitis, and similar disorders.

   •   •   •

Lower Respiratory System: The part of the respiratory system below the bifurcation of the trachea. It includes the lungs and the parts of the lungs such as the bronchioles and alveoli.1

Categories for Lower Respiratory System

Category of Lower Respiratory System:

  • Respiratory System Part

Anatomy Articles

Read about these related anatomy topics:

Disease and Condition Articles

Read about these related conditions and diseases:

Related Disease and Condition Topics

Read about these diseases and medical conditions related to Lower Respiratory System:

... More »

   •   •   •


  1. Source: NCI Thesaurus
  2. ibid.
  3. Source: Australian Institute of Health and Welfare: aihw.gov.au/ reports-statistics/ health-welfare-overview/ australias-health/ glossary

   •   •   •

Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.