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单词 Bronchus principalis dexter
释义

Bronchus principalis dexter

英语百科

Bronchus

Pseudostratified columnar ciliated epithelium - mag. x600
Cross section of secondary bronchus

A bronchus, also known as a main or primary bronchus, is an airway in the respiratory tract that conducts air into the lungs. There is a right bronchus and a left bronchus and these bronchi branch into smaller secondary and tertiary bronchi which branch into smaller tubes, known as bronchioles. No gas exchange takes place in the bronchi.

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