In cellular biology, haptotaxis (from Greek ἅπτω (hapto) 'touch, fasten' and τάξις (taxis) 'arrangement, order') is the directional motility or outgrowth of cells, e.g. in the case of axonal outgrowth, usually up a gradient of cellular adhesion sites or substrate-bound chemoattractants (the gradient of the chemoattractant being expressed or bound on a surface, in contrast to the classical model of chemotaxis, in which the gradient develops in a soluble fluid).
In cellular biology, haptotaxis (from Greek ἅπτω (hapto) 'touch, fasten' and τάξις (taxis) 'arrangement, order') is the directional motility or outgrowth of cells, e.g. in the case of axonal outgrowth, usually up a gradient of cellular adhesion sites or substrate-bound chemoattractants (the gradient of the chemoattractant being expressed or bound on a surface, in contrast to the classical model of chemotaxis, in which the gradient develops in a soluble fluid).
Source: Wikipedia "Haptotaxis" · CC BY-SA 4.0
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