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Pronunciation: chān


  1. chemistry a series of atoms held together by one or more covalent bonds.
  2. bacteriology a linear arrangement of living cells that have divided in one plane and remain attached to each other.
  3. A series of reactions.
  4. In anatomy, a linked series of structures, ossicular chain, chain ganglia, under ganglion.

[L. catena]

See Also: sympathetic trunk

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