boundaries of mediastinum Flashcards
1
Q
What is the mediastinum?
A
middle portion of the thorax
between the lungs
between the sternum and vert (antero-posterorly)
2
Q
What is the superior border of the mediastinum?
A
manubriosternal joint (angle of louis)
3
Q
what are the lateral borders of the mediastinum?
A
pleural cavities
4
Q
what is the anterior border of the mediastinum?
A
sternum
5
Q
What is the posterior border of the mediastinum?
A
vertebrae
6
Q
what is the inferior border of the mediastinum?
A
diaphragm
7
Q
What is the inferior mediastinum divided into?
A
anterior- from sternum to pericardial sac
middle - pericardial sac and contents
posterior - from pericardial sac and contents
8
Q
What are the contents of the mediastinum?
A
thymus gland pericardial sac heart trachea great heart vessels
9
Q
What are the boundaries of the superior and inferior mediastinum?
A
mediastinum and T4 vert.
