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BMS 448X > Thoracic Cavity > Flashcards

Thoracic Cavity Flashcards

1
Q

Parietal Pleura

A

The layer of the pleural cavity that is directly in contact with the rib cage

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2
Q

Visceral Pleura

A

Layer of the pleural cavity that is directly in contact with the surface of the lungs

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3
Q

R. and L. Lungs

A

The large organs associated with gas exchange in the thoracic cavity. Right lung has 3 lobes, left lung has 2 lobes. RALS

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4
Q

Superior lobe

A

Lobe located in most superior portion of the lung

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5
Q

middle lobe

A

Lobe located between the superior and inferior lungs. Only found in the right lung

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6
Q

Inferior lobe

A

Lobe located in most inferior portion of the lung

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7
Q

R. Pulmonary Arteries

A

Located anteriorly to the bronchus of the right lung (RALS).

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8
Q

L. Pulmonary Arteries

A

Located superiorly to the bronchus of the left lung (RALS).

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9
Q

R. Pulmonary Veins

A

Located both anteriorly and inferiorly to the bronchi

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10
Q

L. Pulmonary Veins

A

Located anteriorly and inferiorly to the bronchi

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11
Q

R. and L. Bronchi

A

Thickest opening on the lung. Immediately branches into two other secondary bronchi upon entrance to the lung.

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12
Q

R. and L. Phrenic Nerve

A

Superficial to the vagus nerve. Located lateral to the vagus nerve. Innervate through the diaphragm itself.

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13
Q

R. and L. Vagus Nerve

A

Located medially to the phrenic nerves. Innervates through the esophageal hiatus.

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14
Q

Apex of Lungs

A

Most superior point on the lungs

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15
Q

Base of Lungs

A

The most inferior points on the lungs

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16
Q

Anterior Border of Lungs

A

Most anterior portion of the lung.

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17
Q

Posterior Border of Lungs

A

Most posterior portion of the lung

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18
Q

Root of lung

A

Part of the lung that attaches the vessels, arteries, and bronchi.

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19
Q

Hilum of lung

A

Broader portion of the lung that encases the root as well as the other depression around the root.

20
Q

R. and L. Costodiaphragmatic Recess

A

Space between the costal pleura and the diaphragmatic pleura

21
Q

diaphragm

A

Muscle in charge of majority of respiration force. Located inferior to the lungs and superior to the abdominal viscera

22
Q

Carina

A

Cartilage located where the trachea branches into right and left bronchi

23
Q

Fibrous pericardium

A

Most superficial layer of the pericardium surrounding the heart

24
Q

Esophagus

A

Tube running through the mediastinum posterior to the trachea

25
Q

Sup. and Inf. Vena Cava

A

Largest arteries that pool blood before entering the right atrium

26
Q

Azygous Vein

A

Vein running along the right anterior side of the vertebral column. Vascularizes approximately T-(4-12). Dumps blood into the superior vena cava.

27
Q

Hemiazygous Vein

A

Vein running along the left anterior side of the vertebral column. Vascularizes approximately T-(8-12). Dumps blood into the azygous vein.

28
Q

Accessory Hemiazygous Vein

A

Vein running along the left anterior side of the vertebral column. Vascularizes approximately T(1-8). Dumps blood into the azygous vein.

29
Q

Esophageal Plexus

A

Formed by nerve fibers from the vagus nerve and from the visceral branches of the sympathetic trunk.

30
Q

Intercostal Nerves

A

Nerves running in between the ribs

31
Q

R. and L. Sympathetic Chain Ganglia

A

Located just laterally to the spinal cord. These are small bumps on the spinal nerves jutting out from the spinal cord

32
Q

Sympathetic Ganglia

A

Located just laterally to the spinal cord. These are small bumps on the spinal nerves jutting out from the spinal cord

33
Q

Thoracic Duct

A

Lymphatic duct that runs medially on the anterior side of the spinal cord.

34
Q

Esophageal Lymph Nodes

A

Lymph nodes that sit on the exterior of the esophagus

35
Q

External Intercostal Muscles

A

Muscles running between the ribs that flex to aid breathing. Fibers run from lateral to medial, superior to inferior.

36
Q

Internal Intercostal Muscles

A

Muscles running between the ribs that flex to aid breathing. Fibers run from lateral to medial, inferior to superior.

37
Q

Anterior and Middle Scalenes

A

Muscles that originate on C-(2-5) and insert on the first rib. These assist in lateral flexion of the neck and elevation of the ribs during forced inhalation.

38
Q

Pectoralis Major and Minor

A

Muscles that originate on the sternum and insert on the humerus

39
Q

Serratus Anterior

A

Originates on the ribs and inserts on the inferior medial border of the scapula. Protracts the scapula(by pulling on the inferior edge).

40
Q

Ascending Aorta

A

Part of the aorta going from the left ventricle to the arch

41
Q

Aortic Arch

A

Loop on top of the aorta

42
Q

Descending Aorta

A

Part of the aorta running down the center of the thoracic cavity toward the abdomen.

43
Q

Thoracic Aorta

A

Aspect of the atora located in the thoracic cavity

44
Q

Anterior Intercostal Arteries

A

Arteries located between the ribs. Located on the anterior side of the ribs

45
Q

Posterior Intercostal Arteries

A

Arteries located on the posterior side of the ribs and running between them.

46
Q

Superior Epigastric Artery

A

Terminal Branch of the internal thoracic artery that sits deep to rectus abdominus and runs superior to inferior

47
Q

Internal Thoracic Artery

A

Supplies blood to the anterior chest wall and to the breasts. Runs bilaterally on each side of the xiphiod process before branching into the superior epigastric artery and the musclophrenic artery

BMS 448X (25 decks)

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