True. And also amazing how complex their interactions can be! Just because immune cells are often individually motile, does not mean they're not intimately in

True. And also amazing how complex their interactions can be! Just because immune cells are often individually motile, does not mean they're not intimately interoperating within an incredibly complex social ecology of cells. https://en.wikipedia.org/wiki/T_cell https://en.wikipedia.org/wiki/T_cell is full of surprises.