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Related to constitutive: constitutive enzyme


2. In genetics, descriptive of a gene that is controlled by constantly active promoter.


/con·sti·tu·tive/ (kon-stich´u-tiv) produced constantly or in fixed amounts, regardless of environmental conditions or demand.


(kŏn′stĭ-to͞o′tĭv, -tyo͞o′-)
1. Making a thing what it is; essential.
2. Of or relating to the synthesis of a protein or an enzyme at a constant rate regardless of physiological demand or the concentration of a substrate.

con′sti·tu′tive·ly adv.


produced at a steady rate, independent of internal or external stimuli. Said of enzymes, RNA or protein by an organism.

Patient discussion about constitutive

Q. What really constitutes ADD? Don't all kids have short attention spans because they are curious? What I'm saying is. I'm a very curious fellow, so, therefore, I cannot hold my attention to one thing for more than a minute. Does this mean I have ADD?

A. to what you said about how come they didn't have all these problems lots of years ago, I'll have to say it is true the kids today have a lot more stimulations than what kids had a 100 years ago, though, these problems- ADD and ADHD did exist, even with less things around to lose focus to. even about 20 years ago, when the awareness was too small, teachers just called these kids "stupid" or slow, cause they wern't able to listen for a long period of time and then did'nt know what to answer when asked. the awareness helped save lots of very smart focusless kids...

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References in periodicals archive ?
7 to better describe the rate-dependent nonlinearity of these curves and the extended constitutive model is in the following form of
The newly elected Boards of Directors met after the Constitutive General Assembly and have launched the recruitment of the Chief Executive Officer of Africa50 through an international competitive selection process.
In order to discuss the effect of constitutive parameters [mu] and [epsilon] on the mechanical properties of arterial wall, non-dimensional pressure is introduced.
Constitutive norms can be found in many places, but they are especially important in rule games like chess - there are certain norms that make chess what it is.
In his transformation from soldier to priest, the line between constitutive and constituted violence has been erased, and he has become a one-man embodiment of the state of exception masked as religious institution.
Most philosophers of science are agreed that judgments about reasonableness in the sciences involve a number of constitutive values, for example, simplicity, coherence, accuracy and scope.
4% of the erythromycin resistance to be caused by the constitutive [MLS.
It is used to determine the constitutive functions for the in-plane response of isotropic and anisotropic materials.
San Diego, CA) has patented transmembrane receptors, particularly to a human G protein-coupled receptor, more particularly to a CXC chemokine receptor subtype 3 (CXCR3), and most particularly to mutated (non-endogenous) version of the human CXCR3 for evidence of constitutive activity and uses thereof.
Finite element analysis indicated the test vehicle used to generate data for constitutive constants significantly affect the predicted fatigue life in cyclic drop or temperature cycle testing.
Muscular structure, enzyme activity, constitutive and inducible nitric oxide (NO) synthases (endothelial NO oxide synthase [eNOS], neuronal NO synthase [nNOS] and inducible NO synthase [iNOS]), nitrites, nitrates, nitrotyrosine, and the presence of macrophages were analyzed.
For the dynamical analysis of the system the multibody system will be dismembered in its constitutive parts.