saltation

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saltation

 [sal-ta´shun]
1. the action of leaping. 2. the dancing that sometimes accompanies chorea. 3. conduction along myelinated nerves. 4. in genetics, an abrupt variation in species; a mutation. adj., adj sal´tatory.

sal·ta·tion

(sal-tā'shŭn),
A dancing or leaping, as in a disease (for example, chorea) or physiologic function (for example, saltatory conduction).
[L. saltatio, fr. salto, pp. -atus, to dance, fr. salio, to leap]

saltation

(săl-tā′shən, sôl-)
n.
1. The act of leaping, jumping, or dancing.
2. Discontinuous movement, transition, or development; advancement by leaps.
3. Genetics A single mutation that drastically alters the phenotype.

sal·ta·tion

(sal-tā'shŭn)
A dancing or leaping, as in a disease (e.g., chorea) or physiologic function (e.g., saltatory conduction).
[L. saltatio, fr. salto, pp. -atus, to dance, fr. salio, to leap]

saltation

  1. any changes of an abrupt nature that occur in the thalli of fungi either through mutation or the occurrence of segregation of parts of the thallus with different genetic make-up (HETEROKARYONS and HOMOKARYONS).
  2. the movement of soil particles by wind.
  3. the occurrence of a major mutation in a single generation, bringing about significant change.
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