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HISTOLOGICAL Comparison Between Bronchus & Bronchiole

HISTOLOGICAL Comparison Between Bronchus & Bronchiole

 

Parameter

Bronchus

Bronchiole

Dimensions

Long, wide and its lumen is patent (not collapsed)

Short, narrow and its lumen may be collapsed as in bronchial asthma

Mucosa

Folded and lined by pseudostratified columnar epithelium (formed of seven types of cells similar to the tracheal tree)

Highly folded and lined with simple columnar ciliated or with cuboidal non-ciliated cells alternating with Clara cells

cell receptors

Few

Many

Goblet cells

Present

Absent (few only in large bronchioles)

Lymphoid follicles In C.T. „

Many

Absent

GlandS

Present

Absent

Plates of cartilage

Present

Absent

Comparison Between Bronchus & Bronchiole

 

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