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- n. Plural form of spiralian.
Sorry, no etymologies found.
Polar lobe segregation too can be regarded as an early cell differentiation event that has, in a gradual or punctuated manner, come to replace inductive specification of 3D during the evolution of Previous embryological studies of mollusks and other spiralians have shown wide variation in the complexity of early cleavage pattern.
 - ; this scheme can be generalized in broad outline to other spiralians, though some details differ between higher-order taxa