October 24th, 2009

CNS (Central Nervous System is Sexy)

3 Comments

A couple of clarifying notes as relate to my most recent post on Neurons and Excitability…

Often, when one hears Central Nervous System the inclination is to think of the brain.  This is accurate but not a complete picture.  The CNS also includes a region of the spine down to about the waist line – the spinal cord.  It is important to note that the spinal cord does not extend the full length of the spinal column.

Sensory information may arrive at a wide variety of points along the spinal cord or reach the brain itself.  Information that is processed along the spinal cord without reaching the brain results in what we call reflexes.  This is why reflexive actions occur so quickly: they need not travel the length of the spine and into the brain.


3 thoughts on “CNS (Central Nervous System is Sexy)

  1. Mary Kripke says:

    It was extremely interesting for me to read this post. Thank you for it. I like such themes and everything that is connected to this matter. I definitely want to read a bit more on that blog soon. By the way, rather good design that blog has, but what do you think about changing it every few months?

    Mary Kripke
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  2. Whitney Swift says:

    What do you think about adding some more pics? I’m not trying to offend anyone, page is really nice. But according to the scientists people acquire info much more effective if they see certain helpful illustrations.

    Whitney Swift

  3. Brandy Meetington says:

    It was extremely interesting for me to read that blog. Thank author for it. I like such themes and anything that is connected to this matter. I would like to read more soon. BTW, rather good design you have here, but don’t you think design should be changed once in a few months? I mean it 🙂

    Brandy Meetington

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