[
UK
/tɹˈəʊpɪzəm/
]
NOUN
- an involuntary orienting response; positive or negative reaction to a stimulus source
How To Use tropism In A Sentence
- But atavistic, or vestigial, geotropism in Genesistrine -- or a million larvae start crawling, and a million little frogs start hopping -- knowing no more what it's all about than we do when we crawl to work in the morning and hop away at night. The Book of the Damned
- Joining forces: The interface of gravitropism and plastid protein import. SpaceRef Top Stories
- The main stems of a plant show negative geotropism as they grow upwards.
- It has a wide cell tropism and remains extra-chromosomal, therefore minimising the risk of insertional mutagenesis.
- Such a turning in response to a stimulus is called a tropism (troh'pizm; "turning" G). The Human Brain
- Where the specific stimulus is light, the phenomenon is phototropism ( "light-turning" G). The Human Brain
- AIM : To compare the kinetics of positive inotropism between ibopamine ( Ibo ) and ouabain ( Oua ).
- Thus it was that the interpretations of J. Loeb (Die Tropismen, 1913) on the basis of experiments done with lower animals, estab - lished the neologist ideas of “phototropism” (orien - tation or displacement reaction in the direction of light), and of “thermotropism” (reaction directed to - wards a source of heat), to explain animal and perhaps also human behavior. Dictionary of the History of Ideas
- Such seedlings behaved identically to seedlings grown on uncovered filter paper and, hence, any possible effects of hydrotropism were eliminated.
- His very geographical situation was sufficient to turn the mind towards him, but the particular reason for that heliotropism on the part of his feminine neighbors was that he was an easy man for a woman to ask. The Wrong Woman