Secondary body cavity with segmented mesodermal lining is called as
A
Haemocoel
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B
Neurocoel
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C
True coelom
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D
Pseudocoelom
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Solution
The correct option is C True coelom
The secondary body cavity, which is lined by mesoderm is called as true coelom. A true coelom is lined on all sides by mesoderm, which gives rise to muscles that surround the gut as well as underlying the body wall. Animals possessing coelom are called as coelomates, e.g., annelids, molluscs, arthropods, echinoderms, hemichordates and chordates