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22 Cards in this Set

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What is different about the anterior mediastinum in childhood, compared with adulthood?
In childhood, the thymus gland is more prevalent there
In childhood, the thymus gland is more prevalent there
The anterior mediastinum
What defines the superior mediastinum?
Above the line created by the manubriosternal joint and T4
The internal jugular veins come from the (body part) and meet the...vein to form the...vein
Come from the head and meet the subclavian vein to form the right and left brachiocephalic (or innominate) vein
What's another name for the innominate vein?
The brachiocephalic vein
From start to end of the aortic arch, what is the first great artery?
The brachiocephalic artery (NB only one brachiocephalic artery)
What does the brachiocephalic artery divide into?
The right subclavian artery and the right common carotid artery
From start to end of the aortic arch, what is the second great artery?
The left common carotid artery
From start to end of the aortic arch, what is the third great artery?
The left subclavian artery
Which two arteries arising from the aortic arch clasp around the trachea?
The brachiocephalic and left common carotid
The first bifurcation of the trachea forms the _________ bronchi
Principal (right and left) bronchi
At what vertebral level does the bifurcation of the trachea occur?
T4
Before the aorta crosses (with what?) is it on the left or right side of the mediastinum?
On the left. Crosses with the oesophagus
Before the oesophagus crosses (with what?) is it on the left or right side of the mediastinum?
On the right. Crosses with the aorta before the oesophageal opening in the diaphragm
Wrt the mediastinum, in what section do the oesophagus and aorta cross?
The posterior mediastinum
Where do the phrenic nerves arise? (Anatomical location and vertebral location). Where do they end?
In the neck - ventral rami of the 3rd, 4th and 5th (Mainly 4th)

C3, 4 and 5 keep the diaphragm alive!

End at the diaphragm
Where does the right phrenic nerve run?
Along the great venous channels, against the superior vena cava.

Then over the pericardium overlying the right atrium and finally onto the inferior vena cava
Which nerve is being described?

'Along the great venous channels, against the superior vena cava.

Then over the pericardium overlying the right atrium and finally onto the inferior vena cava'
The right phrenic nerve
Which nerve is being described?

Runs over the subclavian artery, then against the left common carotid artery and finally on to the arch of the aorta and pericardium overlying the left ventricle
The left phrenic nerve
BOTH phrenic nerves pass in front of the roots of the lungs T/F
T
At which vertebral level do the phrenic nerves pierce the diaphragm?
T8 (with inf. VC)
Do the phrenic nerves innervate from above, or beneath the diaphragm?
Beneath