quantal


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quantal

(kwŏn′tl)
adj.
Biology Of or designating an all-or-none response or effect: a quantal reaction.

quan′tal·ly adv.

quantal

(kwant′ăl) [L. quantum, how much + -al]
1. Pert. to quantum theory.
Pert. to a response to a stimulus marked by the presence or absence of a specific reaction, e.g., an all or none response.

quantal

pertaining to specific quantities; used usually in reference to drugs and their dose rates.

quantal drug-receptor relationship
the variation in effect observed with increasing doses of a drug.
References in periodicals archive ?
The actinidic archaeal colony secreted digoxin shuts down the neuronal metabolic machinery and synaptic networks resulting in dominance of quantal and magnetoperception.
Chapter 4 is an overview of binary quantal response data and analyses with emphasis on POLO software, but with discussion and examples of other software packages as well.
Be that as it may, we are talking about an unpredictability related to amplifications on a macroscopic scale of submicroscopic fluctuations, whether such amplifications be related to non-linear dynamics in the presence of non-equilibrium constraints, or cellular quantal events, produced according to the law of all or nothing, as a result of a threshold effect, when the threshold is crossed by fluctuations governed by indeterminacy.
Quantal nature of task hierarchy means there can be no intermediate performances.
80 FABER DS,SCIENCE,vol 0258,page 1494,1992,cites= 23,INTRINSIC QUANTAL VARIABILITY DUE TO STOCHASTIC PROPERTIES OF RECEPTOR-TRANSMITTER INTERACTIONS
Indeed, it will be shown that quantal particles occupies, sequentially and instantly, just one point over different trajectories which are randomically chosen in the ensemble (2).
Testing for increased carcinogenicity using a survival-adjusted quantal response test.
Apparently the source of such order begins with the "C[consciousness]-Substrate," "an infinite metaconsciousness from metainformation possibly linked with finite quantal 'conscits' with meaning translated into reality by neurological consciousness.
The porphyrin macroarrays can store information and can have quantal perception.
The reduction in MAC was estimated with logistic regression by use of a standard quantal method.
Insulin stimulates the entry of GLUT4 into the endosomal recycling pathway by a quantal mechanism.
Vagero M, Sundberg R: The distribution of the maximum likelihood estimator in up-and-down experiments for quantal dose-response data.