platyhelminthes defined in 1951 yearplatyhelminthes - platyhelminthes (PLATWORMS);
platyhelminthes - Phylum containing eddy-worms, flukes, tapeworms. Resemble coelenterates in that the gut, when present, has only one opening, and there is no coelom, nor blood system; but differ in that they are bilaterally, not radially, symmetrical; have bulky parenchymatous tissue derived from the mesoderm; flame cells; and a very complex hermaphrodite reproductive system. Includes classes Turbellaria, Trematoda, Gestoda; some parasites of great economic and medical importance.
near platyhelminthes in Knolik
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