active principle


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principle

 [prin´sĭ-p'l]
1. a chemical component.
2. a substance on which certain of the properties of a drug depend.
3. an accepted or professed rule of action or conduct; in a given philosophical system it is a fundamental or general law or truth from which others are derived. In bioethics some important principles are beneficence, justice, nonmaleficence, and respect for autonomy; these are derived in part from professional roles and traditions.
active principle any constituent of a drug that helps to confer upon it a medicinal property.
Bobath p's a type of neurophysiological rehabilitation; see bobath method.
Bohr's principle of complementarity reflexes do not independently account for the complex nature of infant behavior.
negentropic principle a principle of general systems theory stating that open systems have mechanisms that slow down or arrest the process of movement toward less efficiency and growth. Negentropy (negative entropy) is the tendency toward order and organization.
pleasure principle (pleasure-pain principle) in psychoanalytic theory, an inborn tendency to avoid pain and seek pleasure through the immediate reduction of tension by either direct or fantasied gratification.
reality principle in psychoanalytic theory, the ego functions that modify the demands of the pleasure principle to meet the demands and requirements of the external world.

ac·tive prin·ci·ple

a constituent of a drug, usually an alkaloid or glycoside, that is largely responsible for conferring its characteristic therapeutic properties.

ac·tive prin·ci·ple

(ak'tiv prin'si-pĕl)
A constituent of a drug, usually an alkaloid or glycoside, on which the characteristic therapeutic action of the substance largely depends.

ac·tive prin·ci·ple

(ak'tiv prin'si-pĕl)
Constituent of a drug, usually an alkaloid or glycoside; largely responsible for conferring its characteristic therapeutic properties.

active

not passive.

active principle
the drugs or chemicals in a pharmaceutical preparation that exert an effect pharmacologically; as distinct from the inert fillers, wetting agents and other excipients also often included.
active site
that region of a protein, usually an enzyme, that binds to another molecule such as the substrate of the enzyme.
active transport
the movement of ions or molecules assisted by a carrier protein across the cell membranes and epithelial layers, usually against a concentration gradient, resulting directly from the expenditure of metabolic energy. For example, under normal circumstances more potassium ions are present within the cell and more sodium ions extracellularly. The process of maintaining these normal differences in electrolytic composition between the intracellular fluids is active transport. The process differs from simple diffusion or osmosis in that it requires the expenditure of metabolic energy.

principle

1. a chemical component.
2. a substance on which certain of the properties of a drug depend.
3. a law of conduct.

active principle
any constituent of a drug that helps to confer upon it a medicinal property.
reasonable person principle
the basis for many decisions in cases alleging negligence. The court bases its judgment on what it considers a reasonable person, a reasonable veterinarian in our context, would have done in the circumstances. This is the evidence that most expert witnesses are asked to give, evidence about what should be expected of a member of their profession in terms of quality of performance. Called also principle of the reasonable person.
References in periodicals archive ?
The main active principles of the leaves are polysaccharides, flavonoids.
The aim of the present review was to highlight the ethnomedical and veterinary uses of the most common Tephrosia species and especially the great potential of pharmacologically active principles contained in T.
Matter is to be considered more as a principle than as a cause and in itself is no other than pure formless disgregation, "but it can have all (forms) by the operation of the acting active principle of nature.
The main objective has, naturally, to be improvement in content of active principle in the final product as well as of total yield per plant in terms of the fruit, seed, rhizome or bark.
In the Physiology manuscripts, Reid endorses the existence of an active principle that has the power to move animals.
Coronary stent release of active principle to bioresorbable polymer.
Boswellic acids (components of frankincense) as the active principle in treatment of chronic inflammatory diseases.
Willard, Flamel's chief executive officer, stated, "We are pleased with the progress that we have been able to achieve in this important development program, and believe that our Medusa platform could offer patients the same active principle as in Merck Serono's interferon beta-1a, as an extended release formulation.
In the present study, the compound (Z, Z)-5-(trideca-4', 7'-dienyI)-resorcinol (1) was isolated dts its responsible active principle.
Lisuride, the active principle of Nenad(R), is a potent dopamine agonist which in its parenteral forms (transdermal patch and sc infusion) has been developed to provide continuous dopaminergic stimulation (CDS).
Since it has the same active principle of cocaine, it can be identified by our IDenta capsules as cocaine.

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