Introduction to the regional anatomy of the thorax Flashcards
what are the subdivisions of the thoracic region?
-Pleural cavity
-Mediastinum
what are parts of the cardiovascular system in the thorax?
-Superior vena cava
-Ascending aorta
-Pulmonary trunk
what are parts of the respiratory system in the thorax?
Lung
Primary bronchi
what are the parts of the GI tract in the thorax?
Oesophagus
what are the parts of the musculoskeletal system in the thorax?
Vertebra
where is the trunk of the thorax?
Between the neck and abdomen
what are the two thoracic cavity apertures?
Superior thoracic aperture
Inferior thoracic aperture
what makes up the superior thoracic aperture?
Manubruim
First rib
First thoracic vertebra
what makes up the inferior thoracic aperture?
Xiphoid process (or the sternum)
Subcostal arch
Rib 11/12
12th thoracic vertebra
Diaphragm
what is the function of the diaphragm?
It is the primary muscle of respiration
what is the lateral wall of the thoracic cavity?
Ribs
Muscles (intercostals)
what is the posterior wall of the thoracic cavity?
Thoracic verebrae
Intervertebral discs
Muscles (intercostals)
what is the anterior wall of the thoracic cavity?
Sternum
Ribs
intercostal muscles
what are the two lateral pleural cavities?
the lungs have their own pleural cavities
where is the mediastinum located?
Centrally located
Medial spetum/partition
Separates pleural sacs