Mediastinum and diaphragm Flashcards
1
Q
what is the diaphragm ?
A
It is a dome shaped thin muscular and tendinous septum
that separates the chest cavity above from the abdominal cavity below
2
Q
what is the most important muscle in respiration?
A
the diaphragm
3
Q
what are the 3 origins in the diaphragm?
A
sternal part
costal part
lumber vertebrae part (vertebral)
4
Q
where is the sternal part of the diaphragm?
A
arising from the posterior surface of the xiphoid process .
