Optic Chiasm a Gland or do the Nerves Twist

  1. Right infront of the Pituitary Gland is the Optic Chiasm.

    Now I know when the Right and Left Optic Nervs come into the Brain they Cross here.

    But is this Optic Chiasm a Gland or do the Nervs Twist or what is it?
     
  2. jcsd
  3. atyy

    atyy 9,953
    Science Advisor

    Some of the axons from the left eye go to the right thalamus, and some of the axons from the right eye go to the left thalamus.
     
  4. Thanks but do the Nervs physicly Cross?
     
  5. atyy

    atyy 9,953
    Science Advisor

    The nerves do fuse at the chiasm. However, each nerve is a bundle of axons, and I'm not sure of the detailed arrangement of the axons from each eye within the chiasm.

    http://www.ncbi.nlm.nih.gov/pubmed/11581492 (gives a link to free version of the article)
     
  6. they dont merge together into one entity if thats what you are asking. They are more like a local road and a high way right on top of it.
     
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