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Thread: The Anatomy of a Neuron

  1. #1

    The Anatomy of a Neuron

    In this illustration, signals go into the right hand side and come out at the left hand side. The nucleus supplies the power, like a battery in an electrical circuit. The axon is the connection and can be as long as 1 meter, to reach from our spine to our toes for example.

    What we know about Neurons

    Every muscle group requires two motor neurons. One in the spinal cord (behind the blood brain barrier) which connects our brain to terminals in our spine and the other connecting the terminals in our spine to to the relevant muscle group.

    Signals in the neurons are digital, as in a computer. Digital signals are unambiguous as they are either on or off. There is no partly on or almost off. There is also a gate in the nucleus to make sure that a signal is only sent if it is strong enough to jump the gate.

    Neurons are not able to replicate themselves if damaged, unlike many other parts of our body.

    Neurons are specialised according to function and there are three different types. Motor neurons are different from the other types.

    To be continued
    Last edited by computatec; 8th March 2011 at 21:56.

  2. #2
    Forum Member
    Join Date
    Jan 2011
    Hi -

    I don't think that the placing of the image was incorrect, just that you've tried to place a 'clickable' thumbnail which would open a larger image. I don't think the background code of these forum-style programs is sufficiently sophisticated to allow that, you'd need a repository (a folder of some sort on the host (MNDA) system) in which to store the larger image until it was called up on screen by clicking on the thumbnail.

    Just try placing the full size image on its own into the page. That should work as long as the image isn't too physically large for the page width (See the wedding photos elsewhere in the Forum).

    You could otherwise use a hyperlink to open an image stored elsewhere on the internet, say on another website, in the same way as you might, for example, link to a YouTube video.

    Hope that helps,


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