thorax 6 Flashcards
explain the lobes and fissures of the right lung
- horizontal fissure
- oblique fissure
- superior lobe
- middle lobe
- inferior lobe
explain the fissures and lobes of the left lung
- oblique fissure
- superior lobe
- inferior lobe
explain the pulmonary cavity (pleura)
parietal pleura
pleural cavity
visceral pleura
structures entering/exiting the lung
high = pulmonary arteries (exiting)
Low = pulmonary veins (entering)
Posterior = bronchii (entering)
what would you see on the left lung (root/side portion)
- left pulmonary artery
- left primary bronchus
- left pulmonary vein
- pulmonary ligament
- cardiac impression
- groove for arch of aorta
- lingula
what would you see on the right lung (root/side)
- right pulmonary artery
- right bronchus
- right pulmonary vein
-pulmonary ligament - groove of SVC
- groove of Azygos vein
what happens during inspiration at the level of the diaphragm
respiratory diaphragm drops
increased vertical dimension
what happens during inspiration at the level of intercostal muscle contraction
sternum and ribs lift
increasing anterior posterior dimension
if looking at the respiratory diaphragm from an inferior view what would be seen
- caval opening
- esophageal hiatus
- aortic hiatus
at what level is the caval opening
T8
what runs through the caval opening
- IVC
- right phrenic nerve
what spinal level is the esophageal hiatus
T10
what runs through the esophageal hiatus
- esophagus
- vagal trunks
what spinal level is the aortic hiatus
T12
what runs through the aortic hiatus
- descending aorta
- thoracic duct
- azygous vein
