The diaphragm Flashcards
what is the diaphragm
A layer of skeletal sheet which separates the thorax from the abdomen
How many attachments does it have?
4 major
Hiatuses
T8-IVC
T10-oesophagus
T12-aorta
What the central tendon shaped like?
A clover
What is the diaphragm used for?
- Respiration
- Coughing
- Vomiting
- Defaecation
Which ribs is it attached to?
7-10
which part of the heart is it attached to the central tendon?
The fibrous pericardium through the central tendon
What is the diaphragm covered in at the superior border?
Parietal pericardium
What is a hiatus hernia
A protrusion through the abdominal wall due to a weakness in the wall
What should damage to the breast be associated with and why?
Associated with damage to the diaphragm as it moves top to rib 5 during expiration
Innervation
Phrenic nerves: divides into left and right from C3/C4/C5
Damage to the phrenic nerve will lead to…
damage to the ipsilateral dome
What is a crus?
Tendinious enlongation from the diaphragm to the vertebral column
Right Crus Origin?
L1,L2,L3
Left Crus origins
L1,L2