There are lots of visual maps of the brain as a whole, especially the cortex, that show the distribution of "features" over a two-dimensional map, e.g. the Brodman areas (their morphology and their functions), or the cortical homunculi.

What I would like to literally see - on a quite different level of resolution - are density distributions of some "items" over the membrane of some prototypical neurons, especially:

So my question is for instructive graphical displays of such distributions, may it be in an article, on a website, or in a book.

(I assume that none of the items above is distributed evenly. But maybe some are on a specific type of neuron?)

  • $\begingroup$ I can easily answer about excitatory synapses and perhaps about receptors, and some ion channels but your question is too broad and I'm afraid any answer is going to be too lengthy. Please consider breaking it up. $\endgroup$
    – vkehayas
    Commented Sep 7, 2017 at 10:51
  • $\begingroup$ Why not breaking up answers? I am not especially interested in one of the "items", any single example is welcome (but of course I would appreciate as many as possible - this would allow for comparisons and detecting of correlations). At other StackExchange sites such questions are called "big list" question and are rather well-liked. $\endgroup$ Commented Sep 7, 2017 at 11:11
  • $\begingroup$ With biology, though, there is bound to be nuance involved. So, a whole discussion is required for any of the 'items'. Furthermore, when you ask about categories such as 'receptors' or 'ion channels' which each have numerous members you are expanding the scope of the question (and the answer) substantially. Lastly, you are not asking for just a list but rather the full distribution of each category on a cell, which requires more than just mentioning a single number. $\endgroup$
    – vkehayas
    Commented Sep 7, 2017 at 11:19
  • $\begingroup$ In fact I am only asking for (samples of existing) "instructive graphical displays". If there aren't any: what a pity! If there is only one:I would be happy to see it. (I cannot see, which discussions are required to answer my question. Am I too naive?) $\endgroup$ Commented Sep 7, 2017 at 11:26
  • $\begingroup$ Also, this website's guidelines suggest to ask and answer specific questions (biology.stackexchange.com/help/how-to-answer), and for good reasons, I think. Making a thread tractable facilitates both answering and perusing. $\endgroup$
    – vkehayas
    Commented Sep 7, 2017 at 11:26


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