chemotaxis defined in 1951 yearchemotaxis - chemotaxis;
chemotaxis - Taxis in which stimulus has the form of a gradient of chemical concentration, e.g. movement of polymorph leucocytes in response to substances diffusing from bacteria; or of fern spermatozoids to archegonia in response to malic acid diffusing from archegonial necks.
near chemotaxis in Knolik
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