geotaxis

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]

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geo·tax·is -'tak-səs n, pl -tax·es -.sēz a taxis in which the force of gravity is the directive factor

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geo·tax·is (je″o-takґsis) [geo- + taxis] taxis of an animal in response to gravitational force. geotactic adj

Medical dictionary. 2011.

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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 — 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] * * * …   Universalium

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

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