geotaxis

geotaxis
geotactic /jee'oh tak"tik/, adj.geotactically, adv.
/jee'oh tak"sis/, n. Biol.
oriented movement of a motile organism toward or away from a gravitational force.
[1960-65; GEO- + -TAXIS]

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Universalium. 2010.

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  • geotaxis — [jē΄ōtak′sis] n. [ModL: see GEO & TAXIS] the positive (or negative) response of a freely moving organism to (or against) gravity geotactic [jē΄ōtak′tik] adj. geotactically adv …   English World dictionary

  • geotaxis — n.; pl. taxes [Gr. ge, earth; taxis, arrangement] A tactic response with the force of gravitation as the stimulus. a. Positive geotaxis : toward the force of gravitation. b. Negative geotaxis : away from the force of gravitation …   Dictionary of invertebrate zoology

  • Geotaxis — geotaksis statusas T sritis ekologija ir aplinkotyra apibrėžtis Organizmų ar organų judėjimas Žemės traukos kryptimi. atitikmenys: angl. geotaxis vok. Geotaxis, f rus. геотаксис, m …   Ekologijos terminų aiškinamasis žodynas

  • geotaxis — geotaksis statusas T sritis ekologija ir aplinkotyra apibrėžtis Organizmų ar organų judėjimas Žemės traukos kryptimi. atitikmenys: angl. geotaxis vok. Geotaxis, f rus. геотаксис, m …   Ekologijos terminų aiškinamasis žodynas

  • Geotaxis — Dieser Artikel behandelt das Verhalten von Lebewesen. Für andere Bedeutungen siehe Taxis (Begriffsklärung) Eine Taxis ist eine Orientierungsreaktion von freibeweglichen Lebewesen, das heißt die Ausrichtung einer Bewegung in einem Umweltgradienten …   Deutsch Wikipedia

  • geotaxis — ► sustantivo femenino BIOLOGÍA Movimiento de un organismo vivo en respuesta al estímulo de la gravedad. IRREG. plural geotaxis …   Enciclopedia Universal

  • geotaxis — noun Etymology: New Latin Date: 1899 a taxis in which the force of gravity is the directive factor …   New Collegiate Dictionary

  • geotaxis — See gravitaxis. The prefix gravi is preferable since the gravitational fields used as cues need not necessarily be the Earth s …   Dictionary of molecular biology

  • geotaxis — noun A living creatures ability to move by orienting itself by gravitational forces …   Wiktionary

  • geotaxis — A form of positive barotaxis in which there is a tendency to growth or movement toward or into the earth. SYN: geotropism. [geo + G. taxis, orderly arrangement] * * * geo·tax·is tak səs n …   Medical dictionary

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