. "\"The directed, high-affinity movement of iron (Fe) ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. In high affinity transport the transporter is able to bind the solute even if it is only present at very low concentrations.\" [GOC:mah]" . . "high-affinity iron ion transport" . "high affinity iron ion transport" . .