Medical Dictionary

interosseus

play
noun in·ter·os·se·us \ˌin-tər-ˈäs-ē-əs\

Medical Definition of interosseus

plural

interossei

\-ē-ˌī\play
  1. :  any of various small muscles arising from the metacarpals and metatarsals and inserted into the bases of the first phalanges:a:  dorsal interosseusb:  palmar interosseusc:  plantar interosseus


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