Respiratory system 

The picture " " can link to it's
corresponding histological photograph. 

The picture " " can link to it's
corresponding histological drawing.

   Nasal septum

O-2-a, horizontal section, HE

Mucosa

»»  Stratified squamous epithelium
»»  Pseudostratified columnar ciliated epithelium
»»  Basement membrane
»»  Lamina propria
     Mixed gland
     Blood vessels
»»  Diffused lymphatic tissue

Hyaline cartilage

   Epiglottis (section plane unknown)

O-3-a, HE
Refer to NC-2-b 

Mucosa

»»  Stratified squamous epithelium
»»  Pseudostratified columnar ciliated epithelium
»»  Lamina propria

Submucosa

 Elastic cartilage and gland

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   Vocal fold (section plane unknown)

NO-7-a, HE
Refer to NC-2b 
*Passing the vocal fold, the epithelium becomes pseudostratified columnar ciliated epithelium

»»  Epiglottis - elastic cartilage
»»  Stratified squamous to cuboidal epithelium
»»  Ventricle
»»  Lymphatic nodules
»»  Mixed gland
»»  True vocal fold
     Stratified squamous epithelium
     Hyaline cartilage
     Vocalis muscle - skeletal muscle
»»  Thyroid cartilage
»»  Thyroid gland

   Trachea 

NO-5-a
(Refer to NA-1-g, upper part)
Mucosa

»»  Pseudostratified columnar ciliated epithelium with Goblet cells
»»  Basement membrane
»»  Lamina propria

Submucosa

»»  Tracheal glands-mixed gland

Hyaline cartilage

 Trachealis muscle

 Fibrosa

   Lung

O-6-h or k , HE
NO-6-b, Mallory stain

Viscera pleura

Bronchus (Tertiary; Segmental)

»»  Pseudostratified columnar ciliated epithelium
»»  Smooth muscle
»»  Submucosa-glands
»»  Hyaline cartilage plates
»»  Fibrosa

Bronchiole

»»  Mucosal folds
»»  Pseudostratified columnar ciliated epithelium
»»  Well-developed smooth muscle
»»  No cartilage plate (no submucosa glands)

Terminal bronchiole

»»  Simple cuboidal or columnar epithelium
»»  abundant smooth muscles

Respiratory bronchiole

»»  Simple cuboidal epithelium

Alveolar duct

 Alveolar wall

»»  Bundles of smooth muscle cells

Alveolar sacs ( with alveoli )

 Branches of pulmonary artery

»»  accompanying with bronchus, 
     bronchiole & bronchial artery 

Tributaries of pulmonary vein

»»  surrounded by alveoli
»»  not accompanied by bronchiole, bronchial artery
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