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What is The egg which of the following parasites consist of polar filaments arising from either end of the ambrophore? and explain in detail?
Ans. is 'd' i.e., H. nana . Egg of H. nana - Spherical or oval - Two distinct membrane, (a) outer membrane (b) inner embryophore - Polar filaments emanating from little knobs at either end of embryophore. - Floats in saturated solution of common salt.