Acanthocephala

Medical Dictionary

Acanthocephala A·can·tho·ceph·a·la (ə-kān'thə-sěf'ə-lə)
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 spiny-headed worm.


a·can'tho·ceph'a·lan (-lən) or a·can'tho·ceph'a·lid (-lĭd) adj.
The American Heritage® Stedman's Medical Dictionary
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