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Thorax > Practical 9 Mediastinum > Flashcards

Practical 9 Mediastinum Flashcards

1
Q

superior mediastinum boundaries

A
  • manubrium
  • transverse thoracic plane
  • anterior surface of the bodies of vertebrae T1-T4
  • thoracic inlet
  • parietal plura
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2
Q

superior mediastinum contents

A
  • lower end of sternohyoid and sternothyroid muscles
  • remnants of the thymus gland
  • brachiocephalic veins and the superior vena cava
  • arch of the aorta
  • vagus, cardiac, phrenic, and recurrent laryngeal nerve
  • trachea, oesophagus, and thoracic duct
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3
Q

superior mediastinum boundaries - manubrium

A
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4
Q

superior mediastinum boundaries - transverse thoracic plane

A
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5
Q

superior mediastinum boundaries - anterior surface of the bodies of vertebrae T1-T4

A
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6
Q

superior mediastinum boundaries - thoracic inlet

A
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7
Q

superior mediastinum boundaries - parietal pleura

A
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8
Q

superior mediastinum contents - lower ends of sternohyoid and sternothyroid muscle

A
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9
Q

superior mediastinum contents - remnants of the thymus gland

A
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10
Q

superior mediastinum contents - brachiocephalic veins and the superior vena cava

A
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11
Q

superior mediastinum contents - arch of the aorta

A
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12
Q

superior mediastinum contents - vagus, cardiac, phrenic, and recurrent laryngeal nerves

A
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13
Q

superior mediastinum contents - trachea, oesophagus, and thoracic duct

A
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14
Q

anterior mediastinum boundaries list

A
  • body of the sternum
  • pericardium
  • transverse thoracic plane
  • diaphragm
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15
Q

anterior mediastinum content list

A
  • inferior extension of the thymus gland
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16
Q

in which age group is the inferior extension of the thymus gland usually visible in the anterior mediastinum

A

childen

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17
Q

anterior mediastinum boundaries - body of the sternum

A
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18
Q

anterior mediastinum boundaries - pericardium

A
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19
Q

anterior mediastinum boundaries - transverse thoracic plane

A
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20
Q

anterior mediastinum boundaries - diaphragm

A
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21
Q

middle mediastinum boundaries list

A
  • transverse thoracic plane
  • pericardium (anteriorly and posteriorly)
  • mediastinal pleural on each side
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22
Q

middle mediastinum content list

A
  • heart and pericardium
  • ascending aorta
  • lower half of svc (receiving part of azygos vein)
  • tracheal bifurcation and both main bronchi
  • superior and inferior pulmonary veins
  • phrenic nerves
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23
Q

middle mediastinum boundaries - transverse thoracic plane

24
Q

middle mediastinum boundaries - pericardium

25
Q

middle mediastinum boundaries - mediastinal pleura

26
Q

middle mediastinum content - heart and pericardium

27
Q

middle mediastinum content - ascending aorta

28
Q

middle mediastinum content - lower half of svc

29
Q

middle mediastinum content - tracheal bifurcation and both main bronchi

30
Q

middle mediastinum content - pulmonary trunk dividing into pulmonary arteries

31
Q

middle mediastinum content - superior and inferior pulmonary veins

32
Q

middle mediastinum content - phrenic nerves

33
Q

posterior mediastinum boundaries list

A
  • transverse thoracic plane
  • bodies of vertebrae T5-T12
  • diaphragm
  • pericardium
  • parietal pleura
34
Q

posterior mediastinum content list

A
  • oesophagus (most anterior)
  • thoracic duct
  • right and left vagus nerve
  • descending thoracic aorta
  • azygos and hemiazygos veins
  • right and left sympathetic trunks and their branches (splachnic nerves)
  • lymph nodes
35
Q

posterior mediastinum boundaries - transverse thoracic plane

36
Q

posterior mediastinum boundaries - bodies of vertebrae T5-T12

37
Q

posterior mediastinum boundaries - diaphragm

38
Q

posterior mediastinum boundaries - pericardium

39
Q

posterior mediastinum boundaries - parietal pleura

40
Q

posterior mediastinum content - oesophagus

41
Q

posterior mediastinum content - thoracic duct

42
Q

posterior mediastinum content - right and left vagus nerves

43
Q

posterior mediastinum content - descending thoracic aorta

44
Q

posterior mediastinum content - azygos and hemiazygos veins

45
Q

posterior mediastinum content - right and left sympathetic trunks and their branches (splanchic nerves)

46
Q

posterior mediastinum content - lymph nodes

47
Q

fibrous pericardium

48
Q

serous pericardium layers

A
  • parietal layer
  • visceral layer
49
Q

parietal layer

50
Q

visceral layer

51
Q

parietal layer function

A

lines the inner surface of the fibrous pericardium

52
Q

visceral layer function

A
  • also known as epicardium
  • adheres to the heart and forms its outer covering
53
Q

oblique pericardial sinus location

A

posterior to the left atrium

54
Q

oblique pericardial sinus

55
Q

transverse pericardial sinus location

A

posterior to the ascending aorta and the pulmonary trunk but anterior to the SVC

56
Q

transverse pericardial sinus

Thorax (9 decks)

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