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Why only 3 commissures in the brain?[edit]

Why is it written that there are only 3 commissures in the human brain?
Besides Corpus Callosum and anterior\posterior commisures there are another 2 commissures:
Habenular Commissure and Hippocampal Commissure. By the way - both exist in wikipedia.
I think it should be written in here that there are 5 commissures in the human brain.
Ta Ido —Preceding unsigned comment added by Ta Ido (talkcontribs) 13:40, 12 October 2010 (UTC)

Agreed. Habenular has been added since, but no one has responded or taken action on hippocampal, so I've updated the section to include the hippocampal commissure. --Tgillet1 (talk) 21:29, 26 October 2011 (UTC)

The sixth commissure[edit]

There is actually normally also even one more commissure in the brain, the (Inter)Thalamic Adhesion, which interconnects the two brain hemispheres' thalamus. (It has also been called "middle commissure".) It crosses the brain's midline through the "eye" of the third ventricle. As far as I know, this is not found in all people.

Espen Ødegaard 22 September 2015