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Definition of Bothrium
1. a groove on a tapeworm [n -RIA or -RIUMS]
Medical Definition of Bothrium
1. One of the slitlike sucking grooves found on the scolex of pseudophyllidean tapeworms, such as the broad fish tapeworm of man, Diphyllobothrium latum. Origin: G. Bothros, pit or trench (05 Mar 2000)