chemotaxis

名词 chemotaxis:

1. movement by a cell or organism in reaction to a chemical stimulus

che.mo.tax.is

n.（名词）
The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus.
趋化性：组织或细胞在化学集中上朝向或远离化学刺激的特殊运动或定位作用

【引伸】
che.motac.tic
che.motac.tically
adv.（副词）