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handedness |
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handedness /hand·ed·ness/ (hand´ed-nes) the preferential use of the hand of one side in voluntary motor acts.
handedness [han′didnes] Etymology: AS, hand + ness, condition a preference for use of either the left or right hand. The preference is related to cerebral dominance: left-handedness corresponds to dominance of the right side of the brain, and vice versa. Also called chirality, laterality. Handedness Chemistry The left- or right-sidedness, or asymmetry of virtually everything in the universe from the ‘lowly’ molecule to highly complex organisms Neurology A state of dominance of use of a preferred side, as in left-handed or right-handed handedness [hand´ed-nes] the preferential use of the hand of one side in all voluntary motor acts; see also dextrality and sinistrality. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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