Pleura Flashcards

1
Q

What is the pleura?

A

A double layer of serous membranes that surrounds each lung.

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2
Q

What are the 2 layers of the pleura?

A

Parietal layer

Visceral layer

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3
Q

What is the parietal pleura?

A

Outer layer of the pleura lining the inner wall of the chest cavity.

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4
Q

What is the visceral pleura?

A

Inner layer of the pleura adhering to the lung tissue.

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5
Q

What are the two layers of the pleura separated by?

A

Separated by a thin layer of fluid- the space between the two membranes is known as the pleural space or cavity.

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6
Q

What is the pleural space/cavity?

A

The space between the two pleural membranes.

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7
Q

What is the serous membrane surrounding the heart?

A

Pericardium.

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8
Q

What is the serious membrane surrounding the abdominal viscera?

A

Peritoneum.

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9
Q

What gives the visceral pleura a shiny appearance?

A

Adherence to the lung surface.

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10
Q

What is the parietal pleura adherent to?

A

Inner surface of the ribs
Sternum
Mediastinum

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11
Q

Are the two pleural layers continuous with each other?

A

Yes.

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12
Q

How are the pleural layers similar?

A

Continuous with each other

Histologically identical

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13
Q

What pleural layer enters and lines the fissures of the lungs?

A

Visceral.

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14
Q

What pleural layer is sensitive to pain?

A

Parietal.

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15
Q

What nerve supplies pain sensation to the parietal pleura?

A

Phrenic nerve.

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16
Q

What are the parts of the parietal pleura?

A

Cervical
Costal
Mediastinal
Diaphragmatic

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17
Q

What are the following parts of:

Cervical
Costal
Mediastinal
Diaphragmatic

A

Parietal pleura.

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18
Q

Where is the mediastinal pleura located?

A

Lines the structures situated between the two pleural cavities in the mediastinum.

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19
Q

Where is the diaphragmatic pleura located?

A

Lies on the superior surface of the pleura.

20
Q

Where is the costal pleura located?

A

Lines the inner surfaces of the ribs and the sternum.

21
Q

Where is the cervical/apical pleura located?

A

Covers the apex of the lungs in the root of the neck, immediately above this is a fascial membrane called the suprapleural membrane.

22
Q

What fascial membrane exists immediately above the apex of the lungs in the root of the neck?

A

Suprapleural membrane.

23
Q

Where does the suprapleural membrane exist?

A

Immediately above the apex of the lungs in the root of the neck.

24
Q

What happens when pleural fluid increases due to inflammation and infection?

A

Lung collapse.

25
Q

What is the presence of air within the pleural called?

A

Pneumothorax.

26
Q

What is the presence fo blood within the pleural space called?

A

Haemothorax.

27
Q

What is a pneumothorax?

A

The presence of air within the pleural space.

28
Q

What is a haemothorax?

A

The presence of blood within the pleural space.

29
Q

What is a pleural reflection?

A

Occurs when the parietal pleura lining one surface of the chest wall changes its direction to line another surface.

30
Q

What occurs when the parietal pleura lining one surface of the chest wall changes its direction to line another surface?

A

Pleural reflection.

31
Q

Where does the costodiaphragmatic reflection exist?

A

From the inner surface of the ribs onto the superior surface of the diaphragm.

32
Q

What pleural reflection exists from the inner surface of the ribs onto the superior surface of the diaphragm?

A

Costodiaphragmatic reflection.

33
Q

Where does the costomediastinal reflection exist?

A

From the inner surface of the ribs anteroposteriorly to lie on either side of the pericardium of the heart.

34
Q

What pleural reflection exists from the inner surface of the ribs anteroposteriorly to lie on either side of the pericardium of the heart?

A

Costomediastinal reflection.

35
Q

What is a pleural recess?

A

At the location of reflections, the parietal pleura is more widely separated from the visceral pleura during expiration, forming these.

36
Q

What is formed when the parietal pleura is more separated from the visceral pleura during expiration at reflections?

A

Pleural recesses.

37
Q

How are pleural recesses named?

A

Share the name of their corresponding reflection.

38
Q

What are pleural recesses clinically useful for?

A

Needle aspiration of excessive accumulation of fluid in the pleural space, known as pleural effusion.

39
Q

What is an excessive accumulation of fluid in the pleural space called?

A

Pleural effusion.

40
Q

Where do the extent of pleural recesses and reflections extend too?

A

All the way from anterior to posterior but can only be drawn on an anterior basis in 2D diagrams.

41
Q

What is the parietal pleura sensitive to?

A

Pain
Pressure
Temperature
Touch

42
Q

What nerve supplies the mediastinal and diaphragmatic pleura over the domes?

A

Phrenic nerve.

43
Q

What nerves serve the remainder of the parietal pleura?

A

Lower 6 intercostal nerves.

44
Q

What is the visceral pleura sensitive to?

A

Autonomic innervation for stretch.

45
Q

Is the visceral pleura sensitive to pain?

A

No.

46
Q

What is the visceral pleura supplied by?

A

Supplied autonomically by the pulmonary plexus.

47
Q

What pleura does the pulmonary plexus supply?

A

Supplies autonomic innervation of the visceral pleura.