After entering a lung, the primary bronchi eachdivide into secondary (2° ) bronchi. The secondary bronchi are also known as lobarbronchi because each one directly conductsainto and from one of the lung's five lobes
◼ After entering a lung, the primary bronchi each divide into secondary (2°) bronchi. ◼ The secondary bronchi are also known as lobar bronchi because each one directly conducts air to and from one of the lung’s five lobes
With in a lobe tertiary (3°) bronchi branchfrom the secondary bronchi Each tertiary bronchus conducts air to and froma bronchopulmonary segment, which is ananatomical and functional subdivision of a lobe
◼ With in a lobe tertiary (3°) bronchi branch from the secondary bronchi. ◼ Each tertiary bronchus conducts air to and from a bronchopulmonary segment, which is an anatomical and functional subdivision of a lobe
There are 10 bronchopulmonary segments in theright lung and 8 in the left lung, due to thefusion of S1-2 and s7-8.Because they conductair in and out of thebronchopulmonary segments, the tertiarybronchi are known as segmental bronchi
◼ There are 10 bronchopulmonary segments in the right lung and 8 in the left lung, due to the fusion of S1-2 and S7-8 . ◼ Because they conduct air in and out of the bronchopulmonary segments, the tertiary bronchi are known as segmental bronchi
Physiology Clear granule which was inhaled and protect theengineryImmunityDefensively breathing reflexCoughreflexBreath-holdreflex
Physiology ◼ Clear granule which was inhaled and protect the enginery ◼ Immunity ◼ Defensively breathing reflex _Cough reflex _Breath-hold reflex
Different PositionMost foreign bodies lodgeddistal to the larynx andtrachea in the rightmainstembronchus- The diameter of the rightmain bronchus is larger thantheleft
Different Position ◼ Most foreign bodies lodged distal to the larynx and trachea in the right mainstem bronchus. – The diameter of the right main bronchus is larger than the left