31 Mar - Thorax: Lungs & Respiratory System

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Azygos vein

?

right posterior intercostal vein

?

phrenic nerve

?

aorta

?

thoracic duct

vagus is carrying ___

parasympathetic innervation

The left recurrent laryngeal nerve ___

goes under the arch of the aorta

The right recurrent laryngeal nerve ___

goes under the right subclavian artery

Where the bronchus split into right and left is called the __

carina

what level is the carina (bifurcation of trachea)

sternal angle

why is the right main bronchus straighter than the left?

because the heart is on the left side

Which chamber of the heart is hard to view?

left atrium (because it’s anterior to esophagus)

What level is the inferior vena cava

T8

what level is the esophagus

T10

What level is the aortic hiatus

T12

Mnemonic for the structures passing through diaphragm levels (inf. vena cava, esophageal hiatus, aortic hiatus)

I ate ten eggs at twelve

The pleural cavities develops from the ____ in embryos

coelmic cavities

In development, lung buds push up against pleura and become ___

visceral pleura (touching organ)

In development, pleura not touching the lungs becomes ___

parietal pleura

The visceral pleura is ___

touching organ surface

Endothoracic fascia is the layer of fascia ____

separating ribs & intercostal muscles from parietal pleura

?

Costodiaphragmatic recess

?

costomediastinal recess

the inferior border of the pleura is at ___

T12

Hemothorax

Blood in pleural cavity

Pyothorax

Pus in pleural cavity

Hydrothorax

Excess tissue fluid in pleural cavity due to congestive heart failure (fluid back up in lungs oozes into pleural cavity)

Chylothorax

Chyle in pleural cavity due to tear in thoracic duct

Chyle

milky lymph fluid from intestine

Pleuritis (=Pleurisy)

Inflammation of pleura; fibrous adhesions on pleura can result in audible friction rub

The right lung is different because it has a ___

middle lobe

The right lobe has the ___ between the superior and middle lobe

horizontal fissure

Both longs have the ___ separating the superior and inferior lobe

oblique fissure

Lingula

projection that would’ve been middle lobe if it weren’t crushed by the heart

the hilum is the ___

doorway