Quote:
Originally Posted by DuckieTigger
Quote:
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In vertebrate embryonic development, the retina and the optic nerve originate as outgrowths of the developing brain, specifically the embryonic diencephalon; thus, the retina is considered part of the central nervous system (CNS) and is actually brain tissue. It is the only part of the CNS that can be visualized non-invasively.
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Quote:
Originally Posted by AnotherCat
I am not going to get involved any further with your misleading superficial expertise with respect to optics and electromagnetism but will venture a little into biology and point out that the retina is not part of the brain. It, like the spinal cord is actually part of the central nervous system.
You may want to claim that the central nervous system is part of the brain but you might like to consider that such a claim would mean that your brain then extends from the inside of your skull right down to your ass.
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Looking at the quote in @DuckieTigger's message which I have taken the liberty of re-quoting above, your response seems a bit unnecessary. Though one might wonder what our old buddy the apatosaurus with the enlarged portion of the spinal cord near the tail that was actually larger than the brain would have to say about this.
Brought to you by the Department of Redundancy Department.
