geotropism

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geotropism

 [je-ot´ro-pizm]
tropism in response to gravity, i.e., either toward or away from the earth; growth influenced by gravity.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ge·o·tax·is

(jē'ō-tak'sis),
A form of positive barotaxis in which there is a tendency to growth or movement toward or into the earth.
Synonym(s): geotropism
[geo- + G. taxis, orderly arrangement]
Farlex Partner Medical Dictionary © Farlex 2012

geotropism

(jē-ŏt′rə-pĭz′əm)
ge′o·tro′pic (jē′ə-trō′pĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

geotropism

see GRAVITROPISM.

geotropism

) a plant growth movement that occurs in response to gravity. Thus roots are positively gravitropic (growing downwards), while shoots are generally negatively gravitropic (growing upwards).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
The root was severely tapered by the compact layer below 70 mm, although geotropic growth was maintained.
Description: Flowers are geotropic and are arranged on a thick stem in a one-sided spike or spikelike raceme.
Some flowers, such as gladioli and snapdragons, are packed in upright boxes, called hampers, to prevent unsightly geotropic bending.
Investigation of the reciprocity rule by means of geotropic measurements.
Detailed operational procedures of the TRV chair have previously been published including the clinical distinction between canalolithiasis and cupulolithiasis that relates to the timing and excitation of geotropic or apogeotropic nystagmus, respectively [13, 19].
For example, the 'saxophone growth' type (Tomlinson, 1990), which is characterised by a geotropic growth of the trunk in the early stages of development, ensures an effective underground protection of the apical meristem of juvenile palms and acaulescent adults.
Unique Characteristics: Flower stem is geotropic in that stems bend away from gravity.
A tall container made of wooden slats or corrugated cardboard used to ship tall flowers, especially those that are geotropic, such as gladiolus.