You searched for: “cytotaxis”
cytotaxis
1. The mutual attraction or repulsion of cells or groups of motile cells.
2. The movement of a cell toward or away from some sort of stimulus.

The stimulus would then be called the cytotaxin.

This entry is located in the following units: cyto-, cyt-, -cyte, cytio- (page 5) taxi-, tax-, taxo-, taxio-, -taxia, -taxis, -taxy, tact-, -tactic, -tactical, -tactics (page 4)