Mesh term Tropism
Browse to parent terms:Growth
Plant Physiological Phenomena
Description
The directional growth of an organism in response to an external stimulus such as light, touch, or gravity. Growth towards the stimulus is a positive tropism; growth away from the stimulus is a negative tropism. (From Concise Dictionary of Biology, 1990)Browse to child terms:
Gravitropism
Phototropism
Search for this term in our Faculty Database
View this term at the NCBI website
