Respiratory System
• Conducting portion– Lined with pseudostratified, columnar ciliated epithelium
– Nasal cavities, nasopharynx, larynx, trachea• Primary bronchi, intrapulmonary bronchi,
bronchioles
• Respiratory portion– Respiratory alveoli– Squamous pneumatocytes
Lung Bronchial Anatomy
Cross section of an Intrapulmonary Bronchus
Terminal Bronchiole