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Medical Dictionary

coupling

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noun cou·pling \ˈkəp-liŋ, -ə-liŋ\

Medical Definition of coupling

  1. 1:  the joint together with its supporting structures between the last lumbar vertebra and the sacrum that joins the hindquarters of a quadruped to the trunk; broadly :  the part of the body or the conformation and proportionate length of the part of the body that joins the hindquarters to the forequarters

  2. 2:  the tendency of linked traits to be inherited together in offspring of a double heterozygote when both dominant genes occur on one chromosome and both recessive genes occur on the homologous chromosome—compare repulsion

  3. 3:  bigeminy





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