Term
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Definition
| Serous cavity separated by the visceral and parietal pleura |
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Term
| Parietal pleura consists of: |
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Definition
| Costal, diaphragmatic, cervical, mediastinal portions |
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Term
| Costomediastinal Reflection |
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Definition
Junction of costal and mediastinal portions
-Contains the costomediastinal recess |
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Term
| Costodiaphragmatic reflection |
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Definition
Junction of the costal and diaphragmatic portions.
CONTAINS the costodiaphragmatic recess, which the lung does NOT extend into during quiet breathing |
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Term
| Anterior Costomediastinal Reflections |
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Definition
| approach each other anteriorly behind rib 2 |
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Term
| Left Reflection of Parietal Pleura |
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Definition
| diverges laterally at rib 4 (cardiac notch) |
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Term
| Reflections of the Two Parietal Pleura |
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Definition
Both Reflections diverge laterally at rib 6 and become the costodiaphragmatic reflections
Cross rib 8 at the mid-clavicular line
Rib 10 at the mid-axillary line
Rib 12 cross the neck |
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Term
| Parietal and Visceral Pleura are continuous at: |
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Definition
| the root of the lung and pulmonary ligament |
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Term
| Parietal Pleura is Innervated by: |
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Definition
| the Intercostal Nerves and Phrenic Nerves |
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Term
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Definition
| extends from the superior thoracic aperture above to the diaphragm below, from the sternum in front to the vertebral column posteriorly and between the mediastinal pleura of the two sides |
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Term
| Superior and Inferior Mediastinum |
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Definition
| A horizontal plane extending through the sternal angle anteriorly and the disk between TV4 and TV5 divides the mediastinum into the superior and inferior mediastinum |
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Term
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Definition
Anterior
Middle- contains heart and pericardial sac
Posterior |
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Term
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Definition
Most anterior structure
Largely replaced by fat but it still retains its bilobed shape
Blood supply: the pericardiacophrenic vessels |
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Term
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Definition
| Formed by the confluence of the subclavian and internal jugular veins at the root of the neck |
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Term
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Definition
Continues the vertical course of the right brachiocephalic vein
Just before it enters the pericardial sac, it receives the azygos vein |
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Term
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Definition
| Starts anterior and arches backward over the left primary bronchus |
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Term
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Definition
| connects the inferior surface of the aortic arch to the left pulmonary artery. |
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Term
Brachiocephalic Trunk divides into what two arteries?
Location? |
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Definition
the first branch of the arch.
Ascends in front of the trachea to its right side.
Ends by dividing into the right subclavian and right common carotid artery. |
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Term
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Definition
| Arise independently from the arch and runs more or less vertically along the left side of the trachea. |
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Term
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Definition
| behind the great vessels and immediately anterior to the esophagus |
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Term
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Definition
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Term
| Thoracic Duct Location and Pathway |
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Definition
Lies on the left side of the esophagus and vertebral column.
Arches over subclavian artery from behind to reach the left subclavian vein at its junction with the internal jugular vein. |
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Term
| Phrenic nerves pathway and location |
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Definition
| Pass anterior to both subclavian arteries and root of the lung, then between the pericardium and mediastinal pleura to reach the diaphragm. |
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Term
| Right Phrenic Nerve pathway |
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Definition
| Runs on the lateral side of the great veins (brachiocephalic, superior and inferior vena cavae) |
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Term
| Left Phrenic Nerve Location and Pathway |
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Definition
| Runs antero-lateral to the left common carotid artery and aortic arch |
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Term
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Definition
Run anterior to subclavian arteries and posterior to root of lung.
Splits off into right and left vagus nerves |
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Term
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Definition
Is lateral to the trachea.
Branches off to the right recurrent laryngeal nerve which passes under the right subclavian artery and then ascends to the larynx |
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Term
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Definition
Runs between the left common carotid artery and subclavian artery and lateral to the aortic arch.
Branches off to the left recurrent laryngeal nerve which passes UNDER the aortic arch immediately to the left of the ligamentum arteriosus to ascend in the groove between trachea and esophagus. |
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Term
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Definition
| Descend from the cervical sympathetic trunk and vagus nerve to reach the cardiac plexuses around aortic arch |
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Term
| Anterior Mediastinum contains |
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Definition
| some fat and CT, lowest extension of thymus and some lymph nodes |
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Term
| Middle Mediastinum contains |
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Definition
| the pericardial sac and heart |
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Term
| Parietal Pericardium consists of |
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Definition
fibrous (stout external layer) and serous layer. Parietal serous pericardium makes up the inner layer of pericardial sac.
Visceral serous pericardium covers the heart itself |
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Term
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Definition
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Term
| Parietal pericardium is continuous with |
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Definition
| the visceral pericardium or epicardium where it attaches to the great arteries and veins |
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Term
| Pericardial cavity is between |
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Definition
| the visceral and parietal layers of pericardium |
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Term
| Transverse Pericardial Sinus |
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Definition
| space posterior to ascending aorta and pulmonary trunk and anterior to the superior vena cava |
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Term
| Oblique Pericardial Sinus |
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Definition
| blind recess on posterior aspect of heart caused by pericardial reflections off the pulmonary veins and inferior vena cava. |
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