trachea Flashcards
1
Q
what are the nerves that innervate the trachea?
A
the vagus (constriction) and the sympathetic trunk (dilation)
2
Q
where does the trachea bifurcate?
A
T4/T5 region
3
Q
what is the vascularization of the bronchi?
A
the bronchi is vascularized by
(1) the 2 branches from the aorta for the left side
(2) the third posterior intercostal artery
4
Q
what is the veinous drainage of the bronchi?
A
(1) the azygos vein on the right,
(2) the hemiazygos and superior intercostal vein
5
Q
what are the lymphatics of the bronchi?
A
the tracheobronchial nodes which connect with the brachiocephalic and the parasternal nodes to form the broncho mediastinal trunk
6
Q
what are the plexuses of the bronchi?
A
the anterior (smaller) and posterior (larger) plexus.
7
Q
A
