Answer Posted / meghana
The interior of the ringcanal in watervascular system gives
off interradially five pairs of small yellowish greatly
folded irregular pouches known as "TIEDMANN'S BODIES".
they rest on the peristomial ring of ossicles.
as their lumen consists of coelomocytes and coagulated
fluid these produces the same coelomocytes and coelomic
fluid.
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