Thorax 5 posterior MS

Question 1

Posterior MS location

- vertebra

Answer 1

T 5-12

Question 2

Esophagus and Descending Aorta path

Answer 2

Esophagus
- starts high and middle
- goes left into diaphragm (think stomach)
Aorta
- starts left and heads middle and posterior to esophagus

Crisscross

Question 3

Posterior MS structures

Answer 3

descending aorta
esophagus
pulmonary veins
azygos vessels (hemiazygos, accessory hemiazygos)

Question 4

Thoracic duct travels?

Answer 4

underneath esophagus
beside azygus (medial)

Question 5

Right Lymphatic Duct and Thoracic Duct

Answer 5

Right
- forms combinations with right subclavian and jugular veins
- drains lymph fluid from upper right portion of body
Thoracic Duct
- underneath esophagus, beside azygos vein
- drains from everywhere else

Question 6

SAT

Answer 6

Sympathetic Trunk 
Azygus Vein
Thoracic Duct
- Right side of thorax, deep to esophagus
- lateral to medial

Question 7

Blue Side means

Answer 7

Right Side

• SAT
• posterior intercostal veins
• esophagus (small)

Question 8

Red Side

Answer 8

Left side

- can see aorta

Question 9

Structures surrounding thoracic duct?

Answer 9

Left: azygus

right: descending aorat
anterior: esophagus
posterior: vertebral bodies