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saltation


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1 The manner in which a nerve impulse is propagated along a myelinated nerve fibre in a sequence of jumps from one node of Ranvier to the next, greatly increasing its speed of propagation. Also called saltatory conduction.

2 A sudden variation in the structure or behaviour of an organism, species, or subspecies resulting from genetic mutation.

3 Another name for sensory saltation. [From Latin saltus a leap, from saltare to dance + -ation indicating a process or condition]

Subjects: Psychology — Chemistry.


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