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First images of respiratory system in ancient Egypt: Trachea, bronchi and pulmonary lobes
J Kwiecinski
Examination of ancient Egyptians' depictions of the respiratory tract, dating back to the 30th century BC, reveals their awareness of the pulmonary anatomy: reinforced with cartilaginous rings, the trachea is split into two main bronchi, which then enter the lungs (lungs being divided into pulmonary lobes).
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