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5,000-um Neurons Existed on Mars as on Earth
Some people think neurons cannot be as large as 5,000 micrometers in diameter. In fact, such giant neurons are not rare at all. For example, they exist in Earth’s squids ( Ref. 1, Fig. 1) and in Martian meteorite Tissint (Ref. 2, Fig. 2) as shown below:
Ref. 1: http://en.wikipedia.org/wiki/Squid_giant_axon
Fig. 1: http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1556344300&p=166
Image source: http://dels-old.nas.edu/USNC-IBRO-USCRC/resources_methods_squid.shtml#squid.dissection2
Ref. 2: http://wretchfossil.blogspot.com/2012/01/martian-brain-remains-fell-to-morocco.html
Fig. 2: http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1556322539&p=164
Image source: http://www.macovich.com/MARS/Mars.html
Read more at http://www.wretch.cc/blog/lin440315&category_id=0
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