鉤こう頭とう動どう物ぶつじ字FuriganaMeanings1nounacanthocephalan; thorny-headed worm; spiny-headed wormA phylum of parasitic worms with a spiny proboscis. Used in biological contexts.鉤こう頭とう動どう物ぶつは魚ぎょ類るいや鳥ちょう類るいの腸ちょう内ないに寄き生せいする。Acanthocephalans parasitize the intestines of fish and birds.