Nasal cavity Nostril Pharynx Larynx Trachea Left main (primary) bronchus Right main (primary)...

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Transcript of Nasal cavity Nostril Pharynx Larynx Trachea Left main (primary) bronchus Right main (primary)...

Nasal cavity

Nostril Pharynx

Larynx

Trachea Left main(primary) bronchus

Right main (primary) bronchusRight lung

Left lung

Diaphragm

Nasopharynx

Oropharynx

Laryngopharynx

Nasopharynx

Oropharynx

Laryngopharynx

Pharynx

Nasal meatuses(superior, middle,and inferior)

Nasopharynx

Uvula

Isthmus of thefauces

Posterior nasalaperture

Oropharynx

Laryngopharynx

Vocal fold

Nasal conchae(superior, middle and inferior)

Nasal vestibuleNostril

Nasal cavity

Epiglottis

LarynxThyroid cartilageVestibular fold

Cricoid cartilageTrachea

Pharynx

Epiglottis

Cricoid cartilage

Tracheal cartilages

Thyroid cartilage

Laryngeal prominence(Adam’s apple)

Epiglottis

Vestibular fold(false vocal cord)

Vocal fold(true vocal cord)

Thyroid cartilage

Cuneiform cartilage

Corniculate cartilageArytenoid cartilage

Cricoid cartilage

Tracheal cartilages

Trachea

Apex of lung

Horizontal fissure

Oblique fissure

DiaphragmBase of lung Cardiac notch

Obliquefissure

Lung Pleural cavityParietal pleuraRib

Intercostal muscle

Visceral pleura

Trachea

Superior lobe of right lung

Middle lobe of right lung

Inferior lobe of right lung

Superior lobe of left lung

Left main(primary) bronchusLobar (secondary)bronchusSegmental (tertiary)bronchus

Inferior lobeof left lung

Alveolar duct

Alveolar ductAlveoli

Alveolarsac

Respiratory bronchioles

Terminalbronchiole

Capillary

Type II (surfactant-secreting) cell

Type I cellof alveolar wall

Macrophage

Alveoli (gas-filledair spaces) Capillary

endothelium

Fused basement membranes of the alveolar epitheliumand the capillary endothelium

Alveolar epithelium

Respiratorymembrane

Red blood cell

O2

AlveolusCO2

Capillary

Alveolus