Gross anatomy of the heart

Question 1

What is the mediastinum?

Answer 1

The cavity between the clavicle and the diaphragm

Question 2

What is the roof of the mediastinum?

Answer 2

The clavicle

Question 3

What is the base of the mediastinum?

Answer 3

The diaphragm

Question 4

What is the anterior boundary of the mediastinum?

Answer 4

The sternum

Question 5

What is the posterior boundary of the mediastinum?

Answer 5

The spinal vertebrae

Question 6

What is another name for the top of the mediastinum?

Answer 6

The thoracic inlet

Question 7

Which spinal vertebrae does the mediastinum run between?

Answer 7

T1 to T12

Question 8

What is located between T4 and T5?

Answer 8

The trans thoracic plane

Question 9

What are the divisions of the mediastinum?

Answer 9

Superior (clavicle to transthoracic plane)
Inferior (trans thoracic plane to diaphragm)
- anterior
- middle
- posterior

Question 10

What is located in the middle mediastinum?

Answer 10

The heart
Pericardial sac
Pulmonary trunk
Great vessels start here

Question 11

What is located in the anterior mediastinum?

Answer 11

Loose connective tissue
Lymph nodes
Arteries
Thymus (children)
Phrenic nerve

Question 12

What is located in the posterior mediastinum?

Answer 12

Descending aorta
Oesophagus
Recurrent laryngeal nerve
Vagus nerve

Question 13

What is located in the superior mediastinum?

Answer 13

Anything that passes from the neck to the mediastinum