it is a simplified diagram to show the diferent forms of cell junction.
Mariana Ruiz <a href="//commons.wikimedia.org/wiki/User:LadyofHats" title="User:LadyofHats">LadyofHats</a>
the image i made myself convining the images i had already done on the subject (<a href="//commons.wikimedia.org/wiki/File:Adherens_Junctions_structural_proteins.svg" title="File:Adherens Junctions structural proteins.svg">Adherens Junctions</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:Cellular_tight_junction.svg&amp;action=edit&amp;redlink=1" class="new" title="File:Cellular tight junction.svg (page does not exist)">tight junction</a><a href="//commons.wikimedia.org/w/index.php?title=File:Gap_cell_junction.svg&amp;action=edit&amp;redlink=1" class="new" title="File:Gap cell junction.svg (page does not exist)">Gap junction</a> )together with this images i found on the net <a rel="nofollow" class="external autonumber" href="http://phy.asu.edu/phy598-bio/Class/D7%20Notes_files/image033.jpg">[1]</a>, and<a rel="nofollow" class="external autonumber" href="http://www.bms.ed.ac.uk/research/others/smaciver/lectures/CS5_files/image012.gif">[2]</a>. Image made with Adobe Ilustrator. Image renamed from <a href="//commons.wikimedia.org/w/index.php?title=File:Cell_junction_simplified.svg&amp;action=edit&amp;redlink=1" class="new" title="File:Cell junction simplified.svg (page does not exist)">File:Cell junction simplified.svg</a>