Flatworms, also known as Platyhelminthes, constitute a phylum of about 20,000 species of rather uncomplicated invertebrates characterized by their soft bodies and lack of segmentation. They differ ...
Flatworms are dorsoventrally flattened, bilaterally symmetrical invertebrates of the phylum Platyhelminthes, widely used as model organisms in developmental biology, regeneration research, and ...
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