Confocal microscopy. ImageJ 1.41, unit = µm. In brain, both mature neurone (in blue-grey) and newborn neurone (in red), are accompanied by astrocytes (in green), which are in charge of  'taking care' of them by providing support and nutrients. As a whole, brain appears like a explosion of light and colour in perfect harmony.
<a href="//commons.wikimedia.org/w/index.php?title=User:AlmudenaFM&amp;action=edit&amp;redlink=1" class="new" title="User:AlmudenaFM (page does not exist)">AlmudenaFM</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>