Decussation

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Decussation (or decussatio) is used in biological contexts to describe a crossing.[1]

Examples include:

  • In the brain, where nerve fibers cross from one lateral part to the other. See Decussation of the pyramids.
  • In phyllotaxis when an opposite pattern of leaves has successive leaf pairs that are perpendicular, it is called decussate.
  • In tooth enamel, where bundles of rods (rods are the basic structural unit of enamel) cross each other as they travel from the enamel-dentine junction to the outer enamel surface (or near to it).

[edit] References

  1. ^ decussatio at eMedicine Dictionary

[edit] See also

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