nastic

nastic
Relates to the response of a plant to a stimulus that does not depend on the location of the stimulus.

Many flowers close themselves at night, this nastic movement is in reponse to the brightness of the sky.


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  • -nastic — [nas′tik] combining form nastic by some (specified) means or in some (specified) direction [epinastic, hyponastic] …   English World dictionary

  • nastic — [nas′tik] adj. [< Gr nastos, pressed close < nassein, to press, squeeze close + IC] designating, of, or exhibiting movement or change in position of a plant or its parts, as in the opening and closing of flowers, in response to a stimulus… …   English World dictionary

  • Nastic — Gimnàstic Voller Name Gimnàstic de Tarragona Gegründet 1914 Stadion Nou Estadi Plätze …   Deutsch Wikipedia

  • -nastic — a combining form occurring in adjectives corresponding to nouns ending in nasty: hyponastic. [see NASTIC] * * * …   Universalium

  • -nastic — a combining form occurring in adjectives corresponding to nouns ending in nasty: hyponastic. [see NASTIC] …   Useful english dictionary

  • Nastic movements — For the Spanish football team, see Gimnàstic de Tarragona. Photonastic movement of Oxalis triangularis in response to light. At lowered light levels the leaves fold down; timelapse recorded at 750x actual speed and covering a 1.5 hr period of… …   Wikipedia

  • nastic movement — Non directional movement of part of a plant in response to external stimulus. The tips of growing shoots of plants that twine around supports show nastic movement. See epinasty …   Dictionary of molecular biology

  • nastic movement — noun : movement of a flat plant part (as a leaf or bud scale) that is oriented in respect to the plant rather than an external source of stimulation, is brought about by disproportionate growth or increase of turgor in the tissues of one surface… …   Useful english dictionary

  • nastic — adjective Etymology: Greek nastos close pressed, from nassein to press Date: 1908 of, relating to, or constituting a movement of a plant part caused by disproportionate growth or increase of turgor in one surface …   New Collegiate Dictionary

  • nastic — /nas tik/, adj. Bot. of or showing sufficiently greater cellular force or growth on one side of an axis to change the form or position of the axis. [1900 10; < Gk nast(ós) pressed close, stamped down, firm (equiv. to nad s. of nássein to press,… …   Universalium

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