This is a longitudinal view of trachea, the air-mucosa interface just beneath the tracheal wall. What are the structures “A” and “B”? Answers: A – Reverberation artifact from air-mucosal interface B – Mirror imag…
This is a longitudinal view of trachea, the air-mucosa interface just beneath the tracheal wall. What are the structures “A” and “B”? Answers: A – Reverberation artifact from air-mucosal interface B – Mirror imag…
