Quiz 3 Flashcards
The inferior mediastinum is defined by what region?
the sternal angle - T4 line down to the diaphragm
The anterior inferior mediastinum contains what organs?
Thymus
If I wanted to perform surgery on major cardiac arteries, veins, lymphatic tissue and nerves, where in the thoracic cavity would the surgery need to occur?
The posterior inferior mediastinum
The danger space that allows infections to travel to the heart is found where?
The superior mediastinum
The greater splanchnic nerve arises from where?
T5-T9 of sympathetic trunk
Where do the splanchnic nerves originate? Where do they synapse with 2nd order neurons?
The splanchnic nerves originate in lateral horn of the spinal cord (T5-T9 greater, T10-T11 lesser, T12 least) and synapse with 2nd order neurons at a pre-aortic ganglion
The azygous vein drains into the SVC about where anatomically?
T4 region
The azygous vein system consists of what veins?
Azygous, accessory hemizygous and hemizygous veins
What function does the azygous vein system have?
Drains deoxygenated blood into SVC, collecting blood from posterior and anterior intercostal veins and from the internal thoracic veins.
Which lymphatic vessel drains all of the tissues of the body except the right arm and right side of head neck and chest?
Thoracic lymphatic duct
Which lymph vessel drains the right arm and right side of the head neck and chest?
Right lymphatic duct
What arteries does the descending aorta supply?
posterior and anterior intercostal arteries, internal thoracic arteries
