Antagonism I (antagonism of substances) (Greek antagonisma - rivalry, struggle) is a type of interaction in the body of substances (vitamins, amino acids, medicinal substances), characterized by the fact that one of them weakens the effect of the other.
The following types of antagonism of substances are distinguished:
Absolute - the effect of the simultaneous action of substances is less than the effect of each of them separately;
Bilateral - either of the two substances removes or weakens the action of the other;
Competitive - substances interact with the same cell receptors (it is reversible);
Non-competitive - direct antagonism, characterized by the fact that one of the interacting substances acts on the receptor outside its active center;
Indirect (synonym: indirect antagonism) - the action of substances is directed to various elements of cells;
Non-equilibrium - one of the substances irreversibly interacts with receptors;
One-sided - the action of one substance removes the action of another, but not vice versa;
Relative - the effect of the simultaneous action of substances is greater than the individual effects of each of them, but less than the summation of the effects of the same substances acting separately;
Direct - the action of substances is directed to the same cellular elements.
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Automatism (Greek automates spontaneous, self-acting) - the ability of individual cells, tissues or organs to rhythmic activity in the absence of obvious connections with external stimuli
Adaptation (lat.adaptatio - adaptation) - the process of adaptation of an organism, population or other biological system to changing conditions of existence (functioning)
Adrenergic receptors (lat.adrenalis - adrenal; lat.ad- - at + ren - kidney + receptor - receiving; synonym: adrenergic receptors, adrenoreactive structures, adrenoreactive systems) - biochemical structures of cells that interact with adrenergic mediators (dopamine, adrenaline, noradrenaline ) and convert the energy of this interaction into the energy of a specific effect (muscle contraction, nerve impulse)
Acrodermatitis (acrodermatitis; Greek akros - the most distant, extreme, high + derma (dermatos) - skin + Latin it (word-form suffix) - inflammatory process) - the general name of a group of dermatoses with an exclusive or predominant lesion of the distal extremities
The body's ability to withstand unfavorable environmental factors (exposure to changes in temperature, humidity and pressure, attacks of pathogenic microorganisms, etc.) directly depends on what a person eats. Scientists have found that the composition of food products includes such components that can negatively affect the immune system, and therefore their use should be limited
