Lecture8: Nerves Of Thorax And Diaphragm Flashcards
As the Vagi pass through the thorax, they provide… to the thoracic viscera?
Parasympathetic innervation
Both right and left vagi give branches to?
Esophagus, pulmonary plexus, and cardiac plexus
The Right vagus nerve enters which division of the mediastinum?
The Superior
The left vagus nerve descends between both?
Left common carotid and left subclavian
What is the branch of the Left Vagus nerve?
The Left recurrent laryngeal nerve
Where does the Left Recurrent Laryngeal nerve recur?
Below the arch of aorta
Injury to left recurrent laryngeal nerve leads to?
Left vocal fold paralysis and hoarseness of voice
How does the Left laryngeal nerve get injured?
Via an aneurysm of the aortic arch and or a mediastinal tumor
Where does the Phrenic nerve arise from?
C3-C5
Where does the Phrenic nerve run relative to the root of the lung?
Anterior to it
Where does the Vagus nerve run relative to the root of the lung?
Posterior
What does the Phrenic nerve give motor supply to?
The diaphragm
What innervates the fibrous pericardium and both mediastinal and diaphragmatic pleurae?
The Phrenic nerve
The right Phrenic nerve descends in which position relative to the root of the lung?
In front of it
What does the Left Phrenic nerve descend between?
Both left common carotid and subclavian arteries
