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Anatomy > Thoracic Cavity > Flashcards

Thoracic Cavity Flashcards

1
Q

Boundaries of the thoracic cavity

A
  • Superior
  • Inferior
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2
Q

What is the superior boundary of the thoracic cavity?

A

Superior thoracic aperature

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3
Q

What is the interior boundary of the thoracic cavity?

A
  • Diaphragm
  • 12th rib
  • Costal margin
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4
Q

Thoracic cavity divisions

A
  • Left pulmonary cavity
  • Right pulmonary cavity
  • Mediastinum
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5
Q

A group of structures that separate the left and right pulmonary cavities

A

Mediastinum

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6
Q

Subdivisions of the mediastinum

A
  • Superior, Inferior
  • Anterior, Posterior
  • Middle
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7
Q

A serous membrane that lines each pleural cavity

A

Pleura

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8
Q

What does parietal pleura coat?

A

Internal wall of the thoracic cavity

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9
Q

What does the visceral pleura coat?

A

The lung

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10
Q

Potential space between the two layers

A

Pleural cavity

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11
Q

Subdivisions of the parietal pleura

A
  • Costal
  • Mediastinal
  • Diaphragmatic
  • Cervical
  • Sibson’s fascia
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12
Q

What are the subdivisions of the parietal pleura named for?

A

Regions in which they are located

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13
Q

Where is the costal parietal pleura?

A

Against the ribs

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14
Q

Where is the mediastinal parietal pleura?

A

Medial

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15
Q

Where is the inferior parietal pleura?

A

Inferior

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16
Q

Where is the cervial parietal pleura?

A

Superior

17
Q

What is the Sibson’s fascia?

A

Portion of the cervical parietal pleura

18
Q

To where does the Sibson’s fascia attach?

A
  • 1st rib
  • Sternum
  • C7 TPs
19
Q

External wound to the chest allows air to enter the pleural cavity

A

Pneumothorax

20
Q

When air escapes from the lung into the pleural cavity

A

Spontaneous pneumothorax

21
Q

Do the lungs fill the entire pleural cavity?

A

Hell no

22
Q

Areas of the pleural recesses

A
  • Anterior medial thorax (A-M)
  • Posterior inferior thorax (P-I)
23
Q

When do the parietal recesses fill with lung tissue?

A

During forced inspiration

24
Q

Where is the costomediastinal recess the largest?

A

On the left side (where it overlays the heart)

25
Q

Area where fluid would build up during a pleural effusion

A

Costodiaphramatic recess

Anatomy (5 decks)

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