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Definition of Geotropism
1. Noun. An orienting response to gravity.
Definition of Geotropism
1. n. A disposition to turn or incline towards the earth; the influence of gravity in determining the direction of growth of an organ.
Definition of Geotropism
1. Noun. (biology) The movement of a plant in response to gravity (either downwards or upwards) ¹
¹ Source: wiktionary.com
Definition of Geotropism
1. [n -S]
Medical Definition of Geotropism
1. Directional growth of a plant organ in response to a gravitational field roots grow downwards, shoots grow upwards. Achieved by differential growth on the sides of the root or shoot. A gravitation field is thought to be sensed by sedimentation of statoliths (starch grains) in root caps. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Geotropism
Literary usage of Geotropism
Below you will find example usage of this term as found in modern and/or classical literature:
1. Experimental Morphology by Charles Benedict Davenport (1899)
"False geotropism may be treated very briefly, sii.ee it is not a true growth ...
As an example of such geotropism may be cited the downward bending of the ..."
2. Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1916)
"geotropism of Physa and Other Species, with the Lung Empty and with the Lung ...
geotropism oí Physa with Lung Empty and Filled with Air, in Presence of ..."
3. Experimental Morphology by Charles Benedict Davenport (1899)
"False geotropism may be treated very briefly, since it is not a true growth ...
As an example of such geotropism may be cited the downward bending of the ..."
4. Forced Movements, Tropisms, and Animal Conduct by Jacques Loeb (1918)
"CHAPTER XIII geotropism 1. When the stem of certain plants is placed in a horizontal
position, the apex grows vertically upward and the root downward. ..."
5. Lectures on Plant Physiology by Ludwig Jost (1907)
"There are many analogies between geotropism and heliotropism, of which the
following are the chief:— 1. Just as geotropic curvature arises only from the ..."
6. Principles of Breeding: A Treatise on Thremmatology Or the Principles and by Eugene Davenport, Henry Lewis Rietz (1907)
"Influence of geotropism : behavior of a growing plumule in righting itself after
being placed ... Hence in the text the term " geotropism " is preferred to ..."
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