Tissues in the Lungs

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  • Created by: Ellie
  • Created on: 04-12-13 20:26

Trachea and Bronchi have a similar structure, the bronchi is narrower than the trachea.  They both have thick walls that have several layers of tissue:

  •  much of the wall = cartilage
  • cartilage = c shape in trachea (less regular in bronchi)
  • inside cartilage = layer of glandular and connective tissue, elastic fibres, smooth muscle and blood vessels - 'loose tissue'
  • inner lining = epithelium layer with 2 types of cells: ciliated epithelium and goblet cells

The bronchioles: much narrower, larger ones have some cartlige, wall = smooth muscle and elastic fibres, have alveoli at their ends

Cartlige

  • structural

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