Lungs and Pleura Flashcards
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Miliary tuberculosis
Granulomas from mycobacterium tuberculosis
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Which primary bronchus is being described below?
Wider, shorter and runs more vertically
Right
Which primary bronchus is being described below?
Passes inferior to the arch of the aorta and anterior to esophagus and thoracic aorta
Left
The trachea bifurcates at the level of the ___________.
Sternal angle
_____________ are several large lymph nodes inferior to the tracheal bifurcation.
Carinal lymph nodes
From where do carinal lymph nodes receive afferents and to where do they send efferents?
Afferents: Bronchopulmonary nodes and the heart
Efferents: Superior tracheobronchial and tracheal nodes
The deep part of the cardiac plexus is formed by which nerves?
- Cardiac nerves derived from the cervical ganglia of the sympathetic trunk
- Cardiac branches of the vagus and recurrent laryngeal nerves
Where is the deep part of the cardiac plexus situated?
In front of the bifurcation of the trachea, above the point of division of the pulmonary artery, and behind the aortic arch
Which cardiac nerves do not enter into the foramtion of the deep part of the cardiac plexus?
Superior cardiac nerve of the left sympathetic trunk
Lower of the two superior cervical cardiac branches from the left vagus nerve (which passes to the superficial part of the plexus)
The _________ is a cartilaginous ridge in the sagittal plane of the trachea where it splits into the two primary bronchi.
Carina
NOTE: The carina is located on the internal surface at point of the tracheal bifurcation.
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A bronchopulmonary segments consists of :
The tertiary bronchus, the portion of lung it ventilates, and artery, and a vein.
NOTE: Each bronchopulmonary segment is a discrete anatomical and functional unit, and this separation means that a bronchopulmonary segment can be surgically removed without affecting the function of the others.
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The mesothelial lining of each hemithorax is dereived from ________________.
Embryonic coelomic lining