Term
T/F: The phrenic nerves are bilateral |
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Definition
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Term
Where do the phrenic nerves originate from |
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Definition
The cervical spinal cord (ventral rami of C3, C4, C5) |
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Term
Where do the phrenic nerves trerminate? |
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Definition
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Term
What do the phrenic nerves innervate |
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Definition
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Term
Where are the phrenic nerves located |
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Definition
in the superior and posterior mediastinum |
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Term
Where is the thymus gland located |
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Definition
in the superior mediastinum |
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Term
What is the funtion of the thymus gland |
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Definition
part of the lymphatic system and process T-lymphocytes and B-lymphocytes and are part of the cellular immunity system |
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Term
Where is the superior vena cava located |
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Definition
in the superior mediastinum |
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Term
Where is the aortic arch located |
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Definition
in the superior mediastinum |
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Term
What is the aortic arch a continuation of? |
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Definition
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Term
Where does the aortic arch become the ascending aorta relative to vertebrae |
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Definition
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Term
What are the three major branches of the aorta |
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Definition
innominate artery, left common corotid, left subclavian |
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Term
What does the innominate artery (brachiocephalic artery) bifurcate into |
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Definition
the right subclavian and right common corotid |
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Term
Where does the descending aorta pass through |
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Definition
the posterior mediastinum (aortic foramen) |
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Term
Where does the descending aorta pass through and ascend into |
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Definition
aortic foramen and enters abdomen |
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Term
What is the descending aorta covered by |
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Definition
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Term
What is the ligamentum arteriosum |
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Definition
the connection between arch of aorta |
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Term
Where is the ligamentum arteriosum located |
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Definition
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Term
What is the ligamentum arteriosum in the adult |
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Definition
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Term
T/F: The ligamentum arteriosum is the structure of fetal circulation |
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Definition
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Term
T/F: The vagus nerves are bilateral |
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Definition
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Term
Where do the vagus nerves enter the thorax |
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Definition
the vagus nerves enter thorax through superior thoracic aperture |
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Term
Where do the vagus nerves go after entering the thorax through the superior thoracic aperture and after passing through the superior mediastium |
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Definition
the vagus nerves enter the posterior mediastinum |
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Term
What are the two branches of the vagus nerves |
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Definition
right and left recurrent laryngeal nerves |
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Term
What innervates the larynx |
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Definition
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Term
Where does the left recurrent laryngeal (coming off the vagus nerve) arch under |
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Definition
the left recurrent laryngeal nervees arch under the arch of the aorta |
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