What happens to the structure after it descends to the level of the 4th costal cartilage?
Understand the Problem
The question is asking what anatomical changes occur to a structure when it reaches the level of the 4th costal cartilage, specifically regarding its relationship to the sternum and surrounding structures.
Answer
The two pleurae descend in close contact at the level of the 4th costal cartilage.
The two pleurae descend in close contact at the level of the 4th costal cartilage.
Answer for screen readers
The two pleurae descend in close contact at the level of the 4th costal cartilage.
More Information
After descending to the level of the 4th costal cartilage, the pleurae of the lungs come into close contact with each other. This region marks a significant anatomical checkpoint in the thoracic structure.
Sources
- Pleura space anatomy - PMC - pmc.ncbi.nlm.nih.gov
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