spiny-headed worm


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Related to spiny-headed worm: phylum Acanthocephala

spin·y-head·ed worm

 (spī′nē-hĕd′ĭd)
n.
Any of various worms of the phylum Acanthocephala that live parasitically in the intestines of vertebrates and are characterized by a cylindrical, retractile proboscis that bears many rows of hooked spines. Also called acanthocephalan, thorny-headed worm.

spin′y-head`ed worm′


n.
any of a small group of intestinal parasites of the phylum Acanthocephala, having a proboscis covered with hooks used for attachment.
[1945–50]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.spiny-headed worm - any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spinesspiny-headed worm - any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
worm - any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
Acanthocephala, phylum Acanthocephala - phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms
References in periodicals archive ?
gondii in rats, acanthocephalan worms (also known as spiny-headed worms) override the natural photophobia of their freshwater crustacean hosts.
Acanthocephala or the spiny-headed worms represent a group of helminths commonly found in the intestine of piscine and avian parasitic hosts (Yamaguti 1963).
Spiny-headed worms (acanthocephalans) are relatively common helminth parasites of the intestinal tract of aquatic turtles.