Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > Thoracic Cavity I: Mediastinum > Flashcards

Thoracic Cavity I: Mediastinum Flashcards

1
Q

Mediastinum

A

Space b/w the lungs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The Sup and Inf mediastinum are separated on the horizontal plane b/w what sections?

A
  • Sternal Angle

&

  • IV disc T4-T5
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Subdivisions of the Sup. Mediastinum

A
  1. Retrosternal

2. Prevertebral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Subdivisions of the Inf. Mediastinum

A
  1. Anterior
  2. Middle
  3. Posterior
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The Contents of the RETROSTERNAL portion of the Sup. Mediastinum?

A
  • The Great VESSELS and branches

- Thymus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The Contents of the PREVERTEBRAL portion of the Sup. Mediastinum?

A
  • Trachea
  • Esophagus
  • Thoracic duct
  • Sympathetic trunks
  • Vagus Nerves
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The Contents of the ANTERIOR portion of the Inf. Mediastinum?

A
  • Thymus
  • Fat
  • Lymph nodes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The Contents of the MIDDLE portion of the Inf. Mediastinum?

A
  • Pericardium
  • Phrenic nerves
  • Heart and vessels
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The Contents of the POSTERIOR portion of the Inf. Mediastinum?

A
  • Esophagus
  • Thoracic duct
  • Aorta and branches
  • Vagus nerve
  • Sympathetic trunk
  • Azygous system of veins
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Innervation for the Thymus

A

Parasympathetic:
- Vagus nerve

Sympathetic:
- Cardiac plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Pericardium

A

Encloses the heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Transverse Sinus

A

Space b/w ARTERIAL and VENOUS Mesocardium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Oblique Sinus

A

Space b/e Right and Left Pulmonary Veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The pericardium is fused with what?

A

The Central Tendon of the DIAPHRAGM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Nerve supple of the Pericardium?

A
  • CN X
  • Phrenic Nerve
  • Sympathetic trunk
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Positioning of the Esophagus

A
  • BEHIND the trachea
  • In FRONT of the Vertebral Column
  • To the RIGHT of the Thoracic aorta
17
Q

The Esophagus passes through the diaphragm at what level of the spinal cord?

18
Q

Thoracic Aorta

A
  • Continuation of the Aortic Arch
  • Begins at T4
  • Ends at DIAPHRAGM (T12)
19
Q

Azygous Vein

A
  • Formed BELOW the Diaphragm
  • Ascends along RIGHT side of the Thoracic vertebral column
  • Enters the SUPERIOR Vena Cava
20
Q

Azygous vein is formed by what?

A

The Union of the R. Ascending LUMBAR Vein and the R. SUBCOSTAL vein

21
Q

Hemiazygos Vein

A
  • Formed BELOW the Diaphragm
  • Pierces the Diaphragm
  • Ascends along LEFT side to T9
  • CROSSES vertebral body and dumps into he Azygos vein
22
Q

Diaphragmatic lymph nodes

A
  • Lie along the upper surface of the diaphragm

- receives lymph from the diaphragm, pericardium, and liver

23
Q

Post. Mediastinal Node

A

Lie along the esophagus and descending thoracic aorta

24
Q

Left Thoracic Duct

A
  1. Receives most of the Lymph from the body BELOW the Diaphragm
  2. Enters venous system at the jxn of
    - Left Int Jugular Vein
    - Left Subclavian
25
Right Thoracic Duct
1. Drains UPPER right thoracic Cavity, Extremity, Right side of the head and neck 2. Empties into the jxn of - Right Int Jugular vein - Right Subclavian vein
26
Tracheobronchial Lymph nodes
- ~50 | - Some of the LARGEST lymph nodes in the body
27
The Vagus nerve runs parallel to the _____ as well as ____ it?
- Esophagus | - Innervates
28
The vagus nerves will eventually turn into what nerve?
Gastric nerve
29
The R. Vagus Nerve goes to the ____ and the L. Vagus Nerve goes to the _____.
- POSTERIOR Vagus Trunk (RP) - ANTERIOR Vagus Trunk (LA)
30
Phrenic Nerves
Control the Diaphragm
31
Crura
“Legs” - Muscular pillars of diaphragm - Right from L1 -L3 - Left from L1 - L2
32
Median Arcuate
- Tendon around the OPENING of the AORTA | - Bridges the Ends the of the crura
33
Sup. Fascia of the Diaphragm is known as what?
PARIETAL Fascia
34
Inf. Fascia of the Diaphragm is known as what?
TRANSVERSALIS fascia ‘IT’
35
Origins of the Diaphragm 1. Sternal 2. Costal 3. Lumbar
1. Xiphoid process 2. Lower 6 RIBS and Cartialge 3. Lumbar vertebra and Crura
36
The three openings of the Diaphragm?
1. Caval foramen (T8) 2. Esopahgeal Hiatus (T10) 3. Aortic Hiatus (T12)

Anatomy (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions