Hello everyone,
As a sign of how much of the complexity of the nervous system remains to be elucidated, I'm forwarding a link to a news story that came out a few days ago, describing a new type of neuron in human brains that was previously unknown, and which does not appear to have a counterpart in mouse brain. Given how commonly mouse models are used to investigate human neural (and other) function, it's a good reminder of how much we have yet to learn! And, the fact that this follows on the heels of another report of a new type of neuron in the eye (from a few years ago), this also is a good reminder of how cellularly complex neural tissue is compared to many other tissues - we don't routinely hear reports of new cells types in other organs. http://www.sciencemag.org/news/2018/08/mysterious-new-brain-cell-found-people Have a good (long) weekend. See you on Wed - don't forget to take care of those first two quizzes by then. Dr. Nealen
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