
1) Class 2) Class trematoda
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https://www.crosswordclues.com/clue/trematoda

Trematoda is a class within the phylum Platyhelminthes. It includes two groups of parasitic flatworms, known as flukes. They are internal parasites of molluscs and vertebrates. Most trematodes have a complex life cycle with at least two hosts. The primary host, where the flukes sexually reproduce, is a vertebrate. The intermediate host, which is t...
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http://en.wikipedia.org/wiki/Trematoda

Class of parasitic flukes consisting of three subclasses, monogenea, aspidogastrea, and digenea. The digenetic trematodes are the only ones found in man. They are endoparasites and require two hosts to complete their life cycle. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973

(trem″ә-to´dә) the flukes or trematodes, a class of the phylum Platyhelminthes; many are parasitic in humans and other animals.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: trem′ă-tō′dă Definitions: 1. A class in the phylum Platyhelminthes (the flatworms), consisting of flukes with a leaf-shaped body and two muscular suckers, and an acelomate parenchyma-filled body cavity. Circulatory system and sense organs are not present, but an incomplete alimentary canal is fou...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=93501

Trematoda - the trematodes - is a class of Phylum platyhelminthes. They are Parasitic flat worms with a leaf-like body which affect the vertebrae of their prey, and include the fluke worms. The mesenchyme secretes a tough cuticle and cilia are lacking in the adults. Hooks and/or suckers are often present.
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http://www.probertencyclopaedia.com/browse/BT.HTM

[
n] - parasitic flatworms (including flukes)
Found on
http://www.webdictionary.co.uk/definition.php?query=Trematoda
class Trematoda noun parasitic flatworms (including flukes)
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.