nastic movement
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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 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 … Wiktionary
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 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 — 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 — [ nastɪk] adjective Botany (of the movement of plant parts) caused by an external stimulus but unaffected in direction by it. Origin early 20th cent.: from Gk nastos squeezed together + ic … English new terms dictionary
nastic — nas•tic [[t]ˈnæs tɪk[/t]] adj. bot of or pertaining to movement in a plant part in response to cellular changes in growth or pressure • Etymology: 1900–10; < Gk nast(ós) pressed close, stamped down (v. adj. of nássein to press) … From formal English to slang
nastic — adj. Bot. (of the movement of plant parts) not determined by an external stimulus. Etymology: Gk nastos squeezed together f. nasso to press … Useful english dictionary
Rapid plant movement — encompasses movement in plant structures occurring over a very short period of time, usually under one second. For example, the Venus Flytrap closes its trap in about 100 milliseconds. [Forterre, Y., J.M. Skotheim, J. Dumais L. Mahadevan 2005.… … Wikipedia
Plant physiology — is a subdiscipline of botany concerned with the function, or physiology, of plants.Salisbury, Frank B. Cleon W. Ross, 1992. Plant physiology , 4th ed. (Belmont, California: Wadsworth Publishing). ISBN 0 534 15162 0] Closely related fields include … Wikipedia
