Not divided into segments.
More example sentences
- The developmental mode of polychaetes is characterized by the production at hatching of an initially unsegmented trochophore larva.
- To gain a more accurate understanding of the segmented or unsegmented nature of these four taxa, two types of data must be gathered.
- Flatworms are unsegmented, bilaterally symmetrical worms that lack a coelom but that do have three germ layers.