metamerism


metamerism

noun

  1. Zoology.
    1. division into metameres, the developmental process of somite formation.
    2. existence in a metameric state.
  2. Chemistry. isomerism resulting from the attachment of different groups to the same atom, as C2H5NHC2H5 and CH3NHC3H7.

noun

  1. Also called: metameric segmentation, segmentation the division of an animal into similar segments (metameres). In many vertebrates it is confined to the embryonic nervous and muscular systems
  2. chem a type of isomerism in which molecular structures differ by the attachment of different groups to the same atom, as in CH 3 OC 3 H 7 and C 2 H 5 OC 2 H 5

n.

  1. The condition of having the body divided into metameres, exhibited in most animals only in the early embryonic stages of development.

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