spiny-headed worm

Use Spiny-headed worm in a sentence

spiny-headed worm

[spahy-nee-hed-id]
noun
any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.

Origin:
1945–50

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

spiny-headed worm spin·y-head·ed worm (spī'nē-hěd'ĭd)
n.
See Acanthocephala.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
spiny-headed worm   (spī'nē-hěd'ĭd)  Pronunciation Key 
See acanthocephalan.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

spiny-headed worm

any animal of the invertebrate phylum Acanthocephala. A proboscis, or snout, which bears hooks, gives the group its name. There are about 600 recorded species, all of which are parasites in vertebrates (usually fish) as adults and in arthropods as juveniles. The adults are usually less than 1 cm (0.4 inch) in length, but some reach 50 cm (about 20 inches) or more. Spiny-headed worms are found throughout the world

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
In a species of spiny-headed worm, males use their cements on each other, trying to gum up their rivals.
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