What does "Tracheal lumen" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
The tracheal lumen is the inside part of the trachea, which is the tube that connects your mouth and nose to your lungs. It's like a tunnel that allows air to travel in and out of your lungs when you breathe. The size and shape of this tunnel can change if a person is sick or has a medical condition. It's an important part of the respiratory system, which controls breathing.
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