Anatomy of the Bronchi.—With recent advances in the knowledge of pulmonary diseases and with the necessity for correlating of findings by the roentgenologist, the internist, the bronchoscopist and the thoracic surgeon, there is need for a more comprehensive description of the structure of the bronchi, particularly for one which will permit visualization of their distribution to the pulmonary tissue. There has been some confusion due to different interpretations of nomenclature by different writers. Neil, Gilmour and Gwynne1 said they considered it important to recognize as different entities those branches which supply separate pulmonary segments and which bear a different relationship to the chest wall. Instead of designating them tertiary bronchi they suggested the term segmental bronchi. There appears to be no reason, either anatomic or clinical, for subdividing a main bronchus into two or more parts. Anatomic and clinical recognition is readily established on the basis of the bifurcation
CLERF LH, PUTNEY FJ. PERORAL ENDOSCOPY. Arch Otolaryngol. 1940;31(6):979–1005. doi:10.1001/archotol.1940.00660010994012
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