Respiratory Histology - Pharynx, Larynx, Trachea, Bronchi, Bronchioles, Alveoli

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►👨‍🏫💊Antibiotics Lectures: https://www.medicosisperfectionalis.c... ... Check out my brand new "Electrolytes" course at https://www.medicosisperfectionalis.c... and use the PROMO code: ELECTROLYTES50 to get a 50% discount. Respiratory histology...Your respiratory tract is divided into a conduction zone (dead space) and a respiratory zone (respiratory unit).
Your trachea -- in the upper respiratory tract -- is lined by a pseudo-stratified columnar epithelium with goblet cells.
There are no alveoli in the conducting zone (therefore no gas exchange, therefore, it's a dead space).
Your respiratory zone contains 2 types of lung cells (pneumocytes):
Type 1 pneumocytes: squamous epithelium, for gas exchange.
Type 2 pneumocytes: cuboidal epithelium, for secreting surfactant...It's also a stem cell responsible for regeneration.

► Clinically-oriented anatomy of the thorax (part 1):    • Clinically-Oriented Anatomy of the Thorax ...   ...
► Virchow's node:    • Virchow's Node (Left Supraclavicular Lymph...  
► Respiratory pharmacology    • Respiratory Pharmacology - Ultimate Review...  
► Pulmonology playlist:    • Pulmonology   ...

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