Coelom is lined by which of the following?
Correct answer: D. Both a and b
- A. Parietal mesoderm
- B. Visceral mesoderm
- C. Mesoderm
- D. Both a and b
Explanation
Coelom is a fluid-filled cavity lined by a mesodermal epithelium called mesothelium. It is surrounded by two layers of mesoderm: the parietal mesoderm that lines the body wall and the visceral mesoderm that covers the organs. The mesothelial cells secrete a serous fluid that fills the coelom and allows the organs to move freely.
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