What does the parietal layer of a serous membrane do?
Understand the Problem
The question is asking about the function of the parietal layer of a serous membrane, which is part of a biological system. To answer this, we need to know the specific roles that the parietal layer plays within the serous membrane.
Answer
Lines body cavity walls, produces serous fluid for lubrication.
The parietal layer of a serous membrane lines the walls of a body cavity and aids in producing serous fluid, which lubricates the cavity to allow organs to move smoothly and friction-free.
Answer for screen readers
The parietal layer of a serous membrane lines the walls of a body cavity and aids in producing serous fluid, which lubricates the cavity to allow organs to move smoothly and friction-free.
More Information
The parietal layer of serous membranes such as the serous pericardium secretes serous fluid into the cavity, which is crucial in reducing friction between the moving organs and the cavity walls, ensuring smooth functioning of the organs.
Tips
Students often confuse the parietal layer with the visceral layer. Remember: the parietal layer lines the cavity walls, while the visceral layer covers the organs.
Sources
- Serous membrane - Wikipedia - en.wikipedia.org
- Serous Membranes & Cavities - vanat.ahc.umn.edu
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