morphogen (thing)

(see all of morphogen, no other writeups in this node)

(thing) by brainsik Thu Nov 01 2001 at 17:34:29
In biology or chemistry, a morphogen is a chemical substance that effects the process of morphogenesis.

For example, a typical morphogen in plants is a growth hormone. If the concentration of this growth hormone exceeds a certain threshold, cell division occurs.

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