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photonasty

A Dictionary of Biology | 2004 | Â© A Dictionary of Biology 2004, originally published by Oxford University Press 2004. (Hide copyright information) Copyright

photonasty See nastic movements.

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	Reports outline machine learning study results from University of Pittsburgh.(Report) Newspaper article from: Robotics & Machine Learning; 2/2/2009; 700+ words ; ...material considered mimics bulk deformation similar to nastic movements in the plant kingdom. Controlled transport of charge...Material Systems and Structures (High Energy Density Nastic Materials: Parameters for Tailoring Active Response...
	NPH4, a conditional modulator of auxin-dependent differential growth responses in Arabidopsis Magazine article from: Plant Physiology; 12/1/1998; ; 700+ words ; ...responses" have been classically defined by the bending or movement of an organ resulting from unequal cellular growth in one...include tropisms, modification of apical hook structures, and nastic movements of leaves (for reviews, see Darwin and Darwin, 1896...
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	Research and Markets: Introduction to Plant Physiology, 4th Edition. Business Wire; 2/13/2009; 700+ words ; ...Ethylene, and Brassinosteroids. * Chapter 22: Photomorphogenesis: Responding to Light. * Chapter 23: Tropisms and Nastic Movements: Orienting Plants in Space. * Chapter 24: Measuring Time: Controlling Development by Photoperiod and Endogenous...
	Easy to clean up around these parts Newspaper article from: The Topeka ; 5/31/2003; ; 700+ words ; ...Club - Wehner Thriftway I've written "dirty" columns (soil fertility and amendment), and "nasty" columns (nastic movements like the sensitive plant's response when touched). Today, I plan to "talk trash." But not like athletes do...
	FERTILE MIND Flowering vines add color to trellises Newspaper article from: Columbia Daily Tribune; 9/2/2007; ; 700+ words ; ...stems are pushed in widening spiral motions by cell growth in varying positions across the stem tip. It is called nastic movement and is controlled by plant hormones. Last summer, I planted purple hyacinth bean on the trellis, a bold and beautiful...
	Shape-changing materials based on biological systems.(MATERIALS SCIENCE/R & D) Magazine article from: Advanced Materials & Processes; 5/1/2005; 466 words ; ...The materials are hard polymers called nastic materials, in which nastic refers to the natural movement of plants in response to changes in their...or that stiffen when watered. These movements are caused by changes in the water pressure...
	When Plants Get HUNGRY Magazine article from: Ask; 4/1/2006; ; 700+ words ; ...flytrap and other plants in action, visit http://plantsinmotion.bio.indiana.edu/plantmotion/movements/nastic/nastic.html. PITFALL TRAPS Pitcher plants are like swimming pools of death for some unlucky insects. The leaves...
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	Plant movement. Submergence-induced petiole elongation in Rumex palustris depends on hyponastic growth1 Magazine article from: Plant Physiology; 5/1/2003; ; 700+ words ; ...the kinetics of this hyponastic petiole movement and stimulated petiole elongation were...growth is currently under investigation. Nastic responses are common in the plant kingdom...number of plant species. Hyponastic leaf movement has also been observed in reaction to...

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Related entries from encyclopedias, dictionaries, and thesauruses

	nastic movement Book article from: The Columbia Encyclopedia, Sixth Edition nastic movement in botany, the movement of plant parts in response either...or to internal growth stimuli. Nastic movements, which are generally slow, can...internally directed, or autonomic, nastic movements. The opening and closing...
	Tropisms and Nastic Movements Book article from: Biology ...example of a thigmonastic movement. Leaf folding is due to...adjacent cells. Because nastic movements occur so rapidly, the movement of plant hormones (which...appear to mediate many nastic movements. see also Hormones, Plant...
	nastic movements Book article from: A Dictionary of Biology nastic movements Movements of plant organs in response to external stimuli that are independent of the direction of the stimuli. Examples are the opening of crocus and tulip flowers in response to a rise in temperature ( thermonasty ), the opening...
	Phototropism Encyclopedia entry from: The Gale Encyclopedia of Science ...Phototropism and other tropisms are different from nastic movements, which are also common in plants. A tropism...the stimulus determines the orientation of the movement. A nastic movement is a growth movement in which the stimulus does...
	tropism Book article from: The Columbia Encyclopedia, Sixth Edition ...applied to growth and turgor movements in plants; an involuntary...is commonly called a taxic movement, or taxis —e...to a stimulus are called nastic movements, or nasties. These include...of flower petals, growth movements that occur in response to...