A non-obvious region of high nerve cell density!

College Confidential Community
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<p><a href=“http://www.vivo.colostate.edu/hbooks/pathphys/digestion/basics/gi_nervous.html[/url]”>http://www.vivo.colostate.edu/hbooks/pathphys/digestion/basics/gi_nervous.html&lt;/a&gt;&lt;/p&gt;

<p><a href=“http://www.amazon.com/Second-Brain-Groundbreaking-Understanding-Disorders/dp/0060930721[/url]”>http://www.amazon.com/Second-Brain-Groundbreaking-Understanding-Disorders/dp/0060930721&lt;/a&gt;&lt;/p&gt;

<p><a href=“http://whyfiles.org/026fear/physio1.html[/url]”>http://whyfiles.org/026fear/physio1.html&lt;/a&gt;&lt;/p&gt;

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<p>Weird. This seems to be one of those things that’s important but biology classes usually skip over.</p>