chiasma

Noun
  1. An intersection or crossing of two tracts in the form of the letter X (synset 105235826)
    is a type of: anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing and its construction and arrangement
    subtypes: chiasma opticum, optic chiasm, optic chiasma - the crossing of the optic nerves from the two eyes at the base of the brain
    same as: chiasm, decussation

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