Fig. 1 is a new microscopic image sent back by Mars Rover Opportunity around Dec.23, 2008. The expanded image shows three Haversian canals, each containing a vertical capillary. Fig. 1: marked for three Haversian canals found only in bones: http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1555400023&p=119 Source and Credit: http://www.flickr.com/photos/hortonheardawho/3138307411/sizes/l/
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