Exam #3: Development of the Thoracic Cavity Flashcards
1
Q
Pleural Cavities
A
Space in which the lungs develop & persists
2
Q
Pericardial Cavities
A
Space in which the heart develops & persists
3
Q
Peritoneal Cavity
A
Space in which abdominal viscera develops & persists
4
Q
Septum Transversum
A
Will become the central tendon of the thoracic diaphragm
5
Q
Intraembryonic Coelom
A
- Horseshoe cavity that develops during the 4th week
- Develops in the lateral plate mesoderm
6
Q
What are the two divisions of the intraembryonic coelom?
A
- Somatic mesoderm
- Splanchnic mesoderm
7
Q
Somatic mesoderm
A
Becomes skeletal & body wall muscle
8
Q
Splanchnic mesoderm
A
Becomes the connective tissue around the gut
9
Q
Somatopleure
A
Becomes parietal pleura
10
Q
Splanchnopleure
A
Surrounds the gut
