acanthocephala is a phylum of parasitic worms known as acanthocephalans, thorny-headed worms or spiny-headed worms in laboratory

acanthocephala acanthocephalans anatomy background biological biology cell cestoda collar damage dead diagnostics disease education egg environment flat head headed health hook horseshoe infection intestines isolated known laboratory layer macro meat medical medicine microscope microscopic parasite parasites parasitic phylum proboscis science scientific shaped spine spiny spinyheaded study sucker thorny thornyheaded tissue worm worms zoological zoology