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4-Piece Bronchus Model
The 4 piece Bronchus model is a four stage cross-section of the bronchus demonstrating the tissue changes occurring in asthma and chronic bronchitis.
Four stages:
- normal bronchus
- hypersecretion of the mucous gland
- swelling with lymphoid aggregations
- smooth-muscle spasm.
The model includes:
- cartilage
- mucous glands and plug
- spiraling smooth muscles
- and the fibroelastic connective tissue and epithelial layers of the bronchus.
All stages rotate on hinge pin.
Model size: 3.7 x 1.5 x 1.75"" "