| digraph HHTest { | |
| node [color="#b20000" fontcolor="#ffffff" shape=ellipse style=filled] | |
| hhPop [label=<hhPop<br/><i>1 cell</i>>] | |
| node [color="#444444" fontcolor="#444444" style=""] | |
| stim [label=<stim<br/><i>1 input</i>>] | |
| stim -> hhPop [arrowhead=empty] | |
| } | |