氣管(trachea)是連接喉部以及部的通道,腹側由軟骨環組成,背側由平滑肌所組成,向上以聲帶為出口,向下分支稱之為支氣管(bronchus)。組成氣管的軟骨為透明軟骨。

Template:Lower respiratory system anatomy英語Template:Lower respiratory system anatomy

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