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Meaning of CHIASM

Pronunciation:  'kIazum

WordNet Dictionary
 
 Definition: [n]  an intersection or crossing of two tracts in the form of the letter X
 
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 Synonyms: chiasma, decussation
 
 See Also: anatomical structure, bodily structure, body structure, chiasma opticum, complex body part, optic chiasm, optic chiasma, structure

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Chi"asm\, Chiasma \Chi*as"ma\, n. [NL. chiasma, fr. Gr.
? two lines placed crosswise, fr. ? to mark with a [chi].]
(Anat.)
A commissure; especially, the optic commissure, or crucial
union of the optic nerves. -- {Chi*as"mal}, a..
 

 

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