Thorax Flashcards Preview

5240 Intro to Biomed > Thorax > Flashcards

Flashcards in Thorax Deck (13):
1

What are the 3 compartments of the thorax? What are the other components?

Left and right pleura, mediastinum. thoracic wall, Superior and inferior thoracic aperture, Diaphragm.

2

What is the superior thoracic aperture? Boundaries? Contents?

Opening connecting the thorax to neck. T1, 1st ribs. Trachea Esophagus, Great vessels and nerves, lungs

3

What is the inferior thoracic aperture? Boundaries?

Closed by the diaphragm. T12, 12th pair of ribs

4

What are the openings of the diagram? Vertebral level and what passes through?

1. Aortic (T12) Aorta, Azygos veins, Thoracic duct
2. Esophageal (T10) Esophags, L/R vagus n.
3. Caval (T8) Inferior Vena Cava, R phrenic n

5

What are the contents of Superior Mediastinum?

Superior VC, Brachicephalic v, arch of aorta, Thoracic duct. Phrenic n, vagus, n, esophagus, trachea, thymus,

6

What is the vertebral level of Superior and inferior mediastinal border? What is important here?

T4-T5. Borders of aortic arch, bifurction of primary bronchi.

7

What are the contents of Anterior portion of Inferior mediastinum?

No major structures.

8

What is contained in the posterior portion of inferior mediastinum?

Esophags, Thoracic aorta, Axygos veins, Thoracic duct, Cisterna chyli, Vagus n, Esophageal plexus, Sympathetic trunk.

9

Name the borders of the axillary inlet. Contents?

Posterior=Superior margin of scapula
Anterior=Clavicle
Medial=Lateral margin of first rib

Contains brachial plexus and large blood vessels.

10

Where is the breast attached, blood supply, Lymphatics, and innervation?

Attached to anterior thoracic wall.
BS: Internal thoracic a and v
L: Axillary and parasternal lymph nodes
I: 4th-6th intercostal nerves

11

What is the vasculature of the thoracic wall?

Intercostal arteries/veins, Azygos system of veins

12

What is the lymphatic drainage of the thoracic wall?

Intercostal, parasternal, diaphragmatic nodes

13

Innervation of thoracic wall? Sypathetic trunks?

I: Intercostal nerves

Sympathetic: T1-L2