TRACHEA
*TRACHEA has following parts:
  1. MUCOSA
  2. SUBMUCOSA
  3. CARTILAGE AND MUSCLE LAYER
  4. ADVENTIA
1.MUCOSA
lined by "pseudostratified ciliated columnar epithelium" with goblet cells(aka respiratory epithelium)

2.SUBMUCOSA
submucosa  is composed of loose connective tissue.It contains blood vessels,nerves,lymphatics and lot of serous and mucous glands

3.CARTILLAGE AND MUSCLE LAYER
Consists of C-shaped hyaline cartilage with perichondrium.Posterior ends of cartilages are connected together by"trachealis muscle".

4.ADVENTIA
made up of connective tissue with blood vessels

Courtesy:kgmu. Org


H&E low magnification slide view for spotting⬇️⬇️



Lung
⛔Secondary and tertiary bronchi
lined by pseudostratified ciliated columnar epithelium with few globlet cells
⛔Bronchioles
simple columnar or cuboidal ciliated epithelium with no Globlet cells
⛔Terminal bronchioles 
Simple columnar 
⛔Respiratory bronchioles 
Cuboidal epithelium 
⛔Alveoli 
Squamous epithelium 


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