tropism


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to tropism: viral tropism

tro·pism

 (trō′pĭz′əm)
n.
The turning or bending movement of an organism or a part of an organism in a particular direction in response to an external stimulus such as light or gravity.

[From -tropism.]

tro′pic, tro·pis′tic adj.
tro·pis′ti·cal·ly adv.

tropism

(ˈtrəʊpɪzəm)
n
(Biology) the response of an organism, esp a plant, to an external stimulus by growth in a direction determined by the stimulus
[from Greek tropos a turn]
ˌtropisˈmatic adj
tropistic adj

tro•pism

(ˈtroʊ pɪz əm)

n.
the orientation of an organism toward or away from a stimulus, as light.
[1895–1900; independent use of -tropism]
tro•pis′tic (-ˈpɪs tɪk) adj.

-tropism

var. of -tropy.
[see -tropy, -ism]

tro·pism

(trō′pĭz′əm)
Growth or movement of a plant or animal toward or away from an external stimulus, such as light, heat, or gravity.

tropistic adjective

tropism

the tendency of a plant, animal, or part to move or turn in response to an external stimulus, as sunlight or temperature. — tropistic, adj.
See also: Motion

tropism

Directional growth movement of a plant in response to a stimulus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tropism - an involuntary orienting response; positive or negative reaction to a stimulus source
response, reaction - a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
ergotropism - an affinity for work
geotropism - an orienting response to gravity
heliotropism - an orienting response to the sun
meteortropism - an effect of climate on biological processes (as the effect on joint pains etc.)
neurotropism - an affinity for neural tissues
phototropism - an orienting response to light
trophotropism - an orienting response to food
thermotropism - an orienting response to warmth
Translations

tropism

n (Biol) → Tropismus m

tro·pism

n. tropismo, tendencia de una célula u organismo a reaccionar de una forma definida (positiva o negativa) en respuesta a estímulos externos.
References in periodicals archive ?
With the cutting-edge recombinant DNA technology at Creative Biolabs, all recombinant viruses can be generated with incorporated modifications in a specific viral gene or locus and a broad tropism allowing gene expression in various of host cells.
This apparent change in tropism for cells in the central nervous system (8) may be linked to the emergence of novel genetically distinct EV-D68 lineages (3).
Further, when challenged together, the distribution of viruses expressed much more tissue tropism affecting almost all the organs of the body as compared to distribution upon individual challenge.
The four natures, five flavors, channel tropism, and therapeutic efficacy of CMM are corresponded to visceral syndromes, which indicate the concept of 'wholeness' in TCM.[1] Currently, many studies have been conducted to mine association rules between the properties and therapeutic efficacy of CMM.
In a statement, Amicus said Penn's AAV vector technology is designed to improve targeting, tropism, safety, immunogenicity and gene delivery, while Amicus' protein engineering capabilities may optimize protein expression, secretion, targeting and uptake of the target protein.
Penn's AAV vector technology is designed to improve targeting, tropism, safety, immunogenicity, and gene delivery, while Amicus' protein engineering capabilities may optimize protein expression, secretion, targeting and uptake of the target protein.
Rabies is a highly fatal infectious disease that may affect all species of warm-blooded animals, including humans; transmitted by the bite of infected animals including dogs, cats, skunks, wolves, foxes, raccoons and bats, and caused by a neurotropic species of Lyssavirus, a member of the family Rhabdoviridae, that has tropism for the central nervous system and the salivary glands; inhalation infection possible (aerosolized virus in bat caves, attics).
French diplomacy also remains influenced by a Chinese"neo-Gaullist" tropism and the weight of large companies that believe the People's Republic of China (PRC) must remain the most important partner of France in Asia.
AAV exists as several closely related serotypes, which we'll consider together, as their main difference is in host cell tropism. It is a member of the Parvoviridae family, and it's tiny, with a roughly 18 nm diameter, unenveloped icosahedral protein capsid carrying ~4700 bases of DNA.
To evaluate the tropism of MSCs for cancer cells in vivo, AF-MSCs and IFN[alpha]-AFMSCs were labeled with a fluorescent cell surface marker, CM-Dil (Invitrogen), by incubation with a working solution of 5 [micro]g/ml CM-Dil for 5 min at room temperature, followed by a 20-minute incubation at 4[degrees]C.
Through this combination of molecular, computational, and stem cell biology, Max's work has helped to unlock the viral tropism of Zika virus, as well as the effects of tuberous sclerosis on brain formation and function.