orthokinesis


orthokinesis
Kinesis in which the speed or frequency of movement is increased (positive orthokinesis) or decreased.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • orthokinesis — n. [Gr. orthos, straight; kinesis, movement] A non directional response in which the speed or frequency of activity depends on the intensity of stimulation; see klinokinesis …   Dictionary of invertebrate zoology

  • orthokinesis — or·tho·kinesis …   English syllables

  • orthokinesis — “+ noun Etymology: New Latin, from orth + kinesis : random movement (as of a planarian) in response to a stimulus …   Useful english dictionary

  • stereotyped response — ▪ biology Introduction       unlearned behavioral reaction of an organism to some environmental stimulus. It is an adaptive mechanism and may be expressed in a variety of ways. All living organisms exhibit one or more types of stereotyped… …   Universalium

  • Kinesis — For the band, see Kinesis (band). For the ergonomic keyboard, see Kinesis (keyboard). Kinesis, like a taxis, is a movement or activity of a cell or an organism in response to a stimulus. However, unlike taxis, the response to the stimulus… …   Wikipedia

  • Kinesis (biology) — Woodlice are decreasingly active as humidity increases. Kinesis, like a taxis, is a movement or activity of a cell or an organism in response to a stimulus. However, unlike taxis, the response to the stimulus provided (such as gas exposure, light …   Wikipedia

  • klinokinesis — n. [Gr. klinein, to bend; kinesis, movement] A non directional response in which the rate of turning depends on the intensity of stimulation; trial and error reaction; see orthokinesis …   Dictionary of invertebrate zoology

  • chemokinesis — A response by a motile cell to a soluble chemical that involves an increase or decrease in speed (positive or negative orthokinesis) or of frequency of movement, or a change in the frequency or magnitude of turning behaviour (klinokinesis) …   Dictionary of molecular biology

  • kinesis — Alteration in the movement of a cell, without any directional bias. Thus speed may increase or decrease (orthokinesis) or there may be an alteration in turning behaviour (klinokinesis). See chemokinesis …   Dictionary of molecular biology

  • animal behaviour — Introduction       any activity of an intact organism.       A living animal behaves constantly in order to survive, and all animals must solve the same basic problems. They must, for instance, periodically replace their energy source (consume… …   Universalium


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