Phylum Platyhelminthes Biology for Majors II

Platyhelminthes Definition & Meaning Merriam-Webster Medical platyhelminthes

Key Points · The Platyhelminthes are acoelomate flatworms: their bodies are solid between the outer surface and the cavity of the digestive

platyhelminthes Phylum Platyhelminthes Class Monogenea ~ 400 spp mostly ectoparasites of fish, amphibians Feed on blood, mucus Anterior and posterior ends for clinging The Platyhelminthes consist of two lineages: the Catenulida and the Rhabditophora The Catenulida, or “chain worms” is a small clade of just over 100 species  The phylum Platyhelminthes includes two classes of worms that involve ants: the cestodes and the trematodes (flukes and blood

4king pg Another characteristic of the platyhelminthes is cephalization, which means that one end of the animal functions as a head The “head” contains a mass of nerve