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18 Cards in this Set
- Front
- Back
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what lies between the pulmonary cavities?
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mediastinum
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borders of mediastinum:
-superior: ... (aperture) -inferior: ... -anterior: ... and costal cartilages -posterior: ... lateral: ...(parietal) pleura |
thoracic inlet
diaphragm sternum thoracic vertebrae mediastinal |
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superior mediastinum:
-... (superior border) -line from sternal angle to ...-... disc |
thoracic inlet
T4-T5 |
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inferior mediastinum:
-line from sternal angle to ... to ... disc - ... (inferior border) -3 subdivisions, which are ... |
T4-T5
diaphragm anterior, middle, posterior |
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the contents of the mediastinum are all thoracic viscera and structures except ...
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lungs
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superior mediastinum:
-...: mostly fat and non-functional -superior vena cava (SVC) and tributaries -arch of aorta and branches (3) -nn: (3)... -trachea and esophagus -thoracic and lymphatic ducts |
-thymus
-CN 10, phrenic, left recurrent laryngeal |
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anterior mediastinum contents:
-..., remnants of thymus, lymphatics |
fat
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middle mediastinum:
-heart and ... aorta -... trunk -... veins -SVC -... nn. (travels on surface of pericardium as it goes to diaphragm) |
ascending
pulmonary pulmonary phrenic |
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posterior mediastinum:
-... (thoracic) aorta -esophagus -esophageal nerve plexus (vagus) -... duct (lymph -... (on right) and ...(on left) veins -... trunks (chains) and ... nerves (3) |
descending
thoracic azygos hemiazygos sympathetic splanchnic |
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75% of the body drains into the ..., which comes up on the ... side.
the right side of the body above the diaphragm drains into the ... duct |
thoracic duct
left right lymphatic duct |
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thoracic duct:
-arises from ... (origin point for duct) in abdomen -thin-walled with numerous ... (keeps from draining backwards) -ascends through aortic ... in diaphragm -lies deep to the ... between the aorta and the ... vein -passes into root of neck to enter venous system at junction of left internal jugular and ... veins |
cisterna chyli
valves hiatus esophagus azygos subclavian |
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4 choices for preganglionic neuron:
-go up chain -go down chain -stay at same level -pass through and continue to pre-aortic ganglion (... n.) |
splanchnic
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splanchnic n. are preganglionic neurons that ... in sympathetic chain
ganglion is at ... trunk |
do not synapse
celiac |
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celiac ganglia is a ... ganglion (lies in front of aorta) as opposed to the ganglia of the sympathetic trunk, which are ... (lie beside aorta)
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pre-aortic
para-aortic |
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thoracic splanchnic nerves:
-preganglionic axons passing through (and arising as "branches" from) the sympathetic chain: -greater: ...-... -lesser: ...-... -least: ... postganglionic cell bodies are in pre-aortic ganglia (celiac, superior mesenteric, and inferior mesenteric |
T5-T9
T10-T11 T12 |
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A ... may develop in the superior or anterior mediastinum; patients with this may also have myasthenia gravis. signs and symptoms include an obstructed left brachicephalic vein and chest pain
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thymoma
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a ... may become lodged at one of the 3 sites of constriction of the esophagus in the mediastinum
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swallowed foreign body
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an ... of the arch of the aorta may compress the trachea, the esophagus, and the left recurrent laryngeal nerve. Patients may experience difficulty breathing, swallowing, and hoarseness
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aneurysm
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