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Chiasm

The Century Dictionary and Cyclopedia
  • noun. In anatomy, a decussation or intersection; specifically, the decussation of the optic nerves which occurs in nearly all vertebrates. See second cut under brain.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. A commissure; an intersection or crossing of two tracts; especially, the optic commissure, or crucial union of the optic nerves.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. Alternative form of chiasma.
  • noun. Alternative form of chiasmus.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. an intersection or crossing of two tracts in the form of the letter X
    • Word Usage
    "The optic chiasm is deeper in the brain than the corpus callosum, so it is not cut by the operation."
    Equivalent
    chiasma  
    Form
    optic chiasm  
    Hypernym
    Words that are more generic or abstract
    anatomical structure  bodily structure  body structure  complex body part  structure  
    Hyponym
    Words that are more specific
    chiasma opticum  optic chiasm  optic chiasma  
    Same Context
    Words that are found in similar contexts
    SMA  chiasma  neuritis  optician  thalami  
    Synonym
    Words with the same meaning
    commissure  
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