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Instructional model to show a median section through nose, mouth, pharynx, trachea, esophagus and stomach.

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This instructional model shows a median section through nose, mouth, pharynx, trachea, esophagus and stomach. Plastic feeding tubes or catheters may be passed through the nose or mouth into the esophagus and stomach. A tracheostoma has been added to demonstrate endotracheal aspiration. Dimensions 23" H × 12" W × 3¼" D.