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Anatomy - Thorax and Abdomen > Thoracic Cavity > Flashcards

Thoracic Cavity Flashcards

0
Q

What do the lateral compartments contain?

A

Lungs and pleurae

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1
Q

What are the three compartments of the thoracic cavity?

A

Two lateral compartments - pulmonary cavities

One central compartment - mediastinum

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2
Q

What does the central compartment contain?

A

Heart, great vessels, trachea, esophagus, thymus, and lymph nodes

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3
Q

What are the two membranes of the pleurae?

A

Visceral and parietal

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4
Q

What does the visceral pleurae cover?

A

Lungs

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5
Q

What does the parietal pleurae cover?

A

Pulmonary cavities

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6
Q

What are the four parts of the parietal pleurae?

A

Costal part, mediastinal part, diaphragmatic part, and the cervical pleurae

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7
Q

What is the pleural cavity?

A

The cavity between the visceral and parietal layer that contains serous fluid to help the layers of pleurae slide smoothly over each other during respiration

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8
Q

What are the three parts of the lungs?

A

Apex, three surfaces, and three borders

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9
Q

What are the three surfaces of each lung?

A

Costal, mediastinal, and diaphragmatic

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10
Q

What are the three borders of each lung?

A

Anterior, inferior, and posterior

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11
Q

What makes up the arrangement of the root of the lung?

A

Pulmonary artery, superior and inferior pulmonary veins, and the main bronchus

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12
Q

What are the two main bronchus of the lungs and how do they run?

A

Right - vertical (wider and shorter)

Left - inferolaterally

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13
Q

How many lobes do the right and left lungs have?

A

Right - 3

Left - 2

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14
Q

Vasculature of the lungs

A

1 pulmonary artery and 2 pulmonary veins

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15
Q

Pulmonary arteries

A

Carry de-oxygenated blood to the lungs

16
Q

Pulmonary veins

A

Carry oxygenated blood from the lungs to the left atrium of the heart

17
Q

Where are parasympathetic ganglion cells located?

A

Pulmonary plexuses and along the branches of the bronchial tree

18
Q

Where are sympathetic ganglion cells located?

A

Paravertebral sympathetic ganglia of the sympathetic trunks

31
Q

The esophagus is compressed by what three structures?

A

Aortic arch, left main bronchus, and diaphragm

32
Q

Bronchial artery of right lung

A

Comes from the superiorposterior intercostal artery, common trunk from thoracic aorta, and left superior bronchial artery

33
Q

Bronchial artery of left lung

A

Comes from the thoracic aorta

40
Q

What is the orientation of the main bronchus and pulmonary artery for the right lung?

A

Pulmonary artery is anterior to the main bronchus

41
Q

What is the orientation of the main bronchus and pulmonary artery for the left lung?

A

Pulmonary artery is anterior to the main bronchus

42
Q

What are the two divisions of the mediastinum?

A

Superior and inferior mediastinum

43
Q

What structures does the superior mediastinum contain?

A

SVC, brachiocephalic veins, arch of aorta, thoracic duct, trachea, esophagus, thymus, vagus nerves, left recurrent laryngeal nerve, and phrenic nerves

45
Q

What are the three divisions of the inferior mediastinum?

A

Anterior, middle, and posterior mediastinum

46
Q

What structures does the anterior mediastinum contain?

A

Thymus, lymph nodes, fat, and connective tissue

47
Q

What structures does the middle mediastinum contain?

A

Pericardium, heart, roots of the great vessels, arch of the azygos vein, and main bronchi

48
Q

What structures does the posterior mediastinum contain?

A

Esophagus, thoracic aorta, azygos and hemiazygous veins, thoracic duct, vagus nerves, sympathetic trunks, and splanchnic nerves

49
Q

What is the arterial supply of the pericardium?

A

Pericardiophrenic artery, (musculophrenic artery, bronchial, esophageal, and superior phrenic arteries, and coronary artery)

50
Q

What is the venous drainage of the pericardium?

A

Pericardiacophrenic vein and tributaries of the azygous venous system

51
Q

What is the nerve supply of the pericardium?

A

Phrenic nerve (C3-C5), vagus nerve (CN X), and sympathetic trunks

52
Q

Impressions on the surface of the left lung

A

Aortic impression, cardiac notch, cardiac surface, and costal cartilages

53
Q

Impressions on the surface of the right lung

A

Azygous impression, cardiac surface, and costal impressions

54
Q

What is the ligament located on the lung?

A

Pulmonary ligament

55
Q

What are the three parts of the diaphragm?

A

Sternal part, costal part, and lumbar part

56
Q

What are the three diaphragmatic apertures?

A

Caval opening (for the IVC), esophageal hiatus (for the esophagus), and aortic hiatus (for the aorta)

57
Q

What are the three branches of the arch of the aorta?

A

Brachiocephalic trunk, left common carotid, and left subclavian

Anatomy - Thorax and Abdomen (13 decks)

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