The migration of cells along a concentration gradient of an attractant.
The movement of cells or organisms toward or away from a substance in response to its concentration gradient.
The movement of phagocytes towards invading bacteria, cell debris or foreign particles.
Sensing of, and movement toward or away from a specific chemical agent by living, freely moving cells.
The movement of a cell when it is attracted to or repelled by a chemical substance.
Movement by a cell or organism toward (positive) or away from (negative) a chemical stimulus.
Migration of cells in response to a chemical stimulus.
Movement of a cell or organism in response to the stimulus of a gradient of chemical concentration.