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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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.