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> Bronchial anatomical model set of 4 #3120 free s&h*
Bronchial anatomical model set of 4 #3120 free s&h*
Bronchus, 4 pc Set Anatomical Model LFA #3120:
4-Stage cross section of the bronchus demonstrating the tissue changes occuring in asthma and chronic bronchitis. 4-stages: normal bronchus, hypersecretion of the mucus gland, swelling with lymphoid aggregations and smooth muscle spasm. The model includes: cartilege, 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: Ea. 1 1/2 x 7/8 . Educational Key Card.
Bronchial Anatomical Model Set of 4 #3120 FREE S&H
