IUBio

Cross - Wired Eyes

Kalman Rubinson kr4 at nyu.edu
Thu May 17 09:21:35 EST 2001


On Thu, 17 May 2001 06:31:13 GMT, George Hammond
<ghammond at mediaone.net> wrote:

>Kalman Rubinson wrote:

>> Sorry but the proportion of crossing fibers in the fornix is very
>> small and characterising it as an "X" (or chiasm) is improper.
>> The fornix is basically a direct fiber pathway stretched and bent by
>> external forces, a phenomenon easily visualize by comparing fornices
>> across verterate species.
>
>[Hammond]
>Sorry to have to point out your error.  The decussation in the Fornix is
>documented and described in my peer reviewed published paper

It's a question of the proportion and significance of those crossing
fibers.  Compared to the optic chiasm  and the pyramidal decussation,
they are few.

Kal




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