Thoracic Cavity Flashcards
Boundaries of the thoracic cavity
- Superior
- Inferior
What is the superior boundary of the thoracic cavity?
Superior thoracic aperature
What is the interior boundary of the thoracic cavity?
- Diaphragm
- 12th rib
- Costal margin
Thoracic cavity divisions
- Left pulmonary cavity
- Right pulmonary cavity
- Mediastinum
A group of structures that separate the left and right pulmonary cavities
Mediastinum
Subdivisions of the mediastinum
- Superior, Inferior
- Anterior, Posterior
- Middle
A serous membrane that lines each pleural cavity
Pleura
What does parietal pleura coat?
Internal wall of the thoracic cavity
What does the visceral pleura coat?
The lung
Potential space between the two layers
Pleural cavity
Subdivisions of the parietal pleura
- Costal
- Mediastinal
- Diaphragmatic
- Cervical
- Sibson’s fascia
What are the subdivisions of the parietal pleura named for?
Regions in which they are located
Where is the costal parietal pleura?
Against the ribs
Where is the mediastinal parietal pleura?
Medial
Where is the inferior parietal pleura?
Inferior