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lumbrical

[ luhm-bri-kuhl ]

noun

, Anatomy.
  1. any of four wormlike muscles in the palm of the hand and in the sole of the foot.


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Word History and Origins

Origin of lumbrical1

1685–95; < New Latin lumbrīcālis, literally, pertaining to a worm, equivalent to Latin lumbrīc ( us ) earthworm + -ālis -al 1

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lumbosacrallumbricalis