Superior and Posterior Mediastinum Flashcards
what does the ligamentum arteriosum connect
the pulmonary trunk to the aortic arch
Branches of the aortic arch
brachiocephalic trunk, left common carotid, left subclavian
branches of the brachiocephalic trunk
right common carotid, right subclavian
condition characterized as when the lining of the aorta expands, causing blood to pool in the expansion. Rupture of this causes death
aortic aneurysm
what nerve arises from the vagus nerve
the right and left recurrent laryngeal
The right recurrent laryngeal loops around the ____ to provide motor innervation to the _____
right subclavian artery, larynx
the left recurrent laryngeal loops around the ____ to provide motor innervation to the ____
aortic arch, larynx
branches of the descending aorta
Bronchial, esophageal, posterior intercostal, superior phrenic arteries
azygos venous system purpose
drains posterior thoracic structures including thoracic wall
the right side of the posterior thoracic wall drains into the
azygos vein
the left side of the posterior thoracic wall drains into the
accessory and hemiazygos veins
where lymph from the upper right limb drains
right lymphatic duct
where lymph from the whole body except for the upper right limb drains
thoracic duct
three plexuses in the posterior mediastinum
esophageal, pulmonary, and cardiac plexus
what nerve contributes both pre and post ganglionic parasympathetic fibers to the three posterior mediastinum plexi
the vagus nerves
