Synonym for os intermetatarseum ... A supernumerary bone at the base of the first metatarsal, or between the first and second metatarsal bones, usually fused with one or the other or with the medial cuneiform bone. ... Synonym: intermetatarseum. ... (05 Mar 2000) ... 
Type: Term Pronunciation: in′tĕr-met′ă-tar′sē-ŭm Synonyms: os intermetatarseum