Canadian Medical Guide > Organisms > Animals > Invertebrates > Helminths Terms and Definitions

Helminths

Medical Definition:	Commonly known as parasitic worms, this group includes the ACANTHOCEPHALA; NEMATODA; and PLATYHELMINTHS. Some authors consider certain species of LEECHES that can become temporarily parasitic as helminths.
Guide Notes:	GEN or unspecified; prefer specifics; infection = HELMINTHIASIS; coord with specific precoord helminth terms (e.g., ANTIGENS, HELMINTH) if pertinent
Also Called:	Gordius,Aschelminthes,Nematomorpha

Helminths Categories.

	Acanthocephala - A phylum of parasitic worms, closely related to tapeworms and containing two genera: Moniliformis, which sometimes infects man, and Macracanthorhynchus, which infects swine.
	Nematoda - A class of unsegmented helminths with fundamental bilateral symmetry and secondary triradiate symmetry of the oral and esophageal structures. Many species are parasites.
	Platyhelminths - A phylum of acoelomate, bilaterally symmetrical flatworms, without a definite anus. It includes three classes: Cestoda, Turbellaria, and Trematoda.
	Rotifera - A class of minute animals of the phylum Aschelminthes.

Helminths Medical Definitions and Terms

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