Adrenoceptors
Adrenoceptors (Latin adrenalis – epinephral; lat. ad-– at + ren – a kidney + receptor – accepting; synonym: receptors are adrenergic, adrenoreaktivny structures, systems adrenoreaktivny) – biochemical structures of cells which interact with adrenergic mediators (dopamine, adrenaline, noradrenaline) and will transform energy of this interaction to energy of specific effect (muscular contraction, nervous impulse).
Allocate:
- α-adrenoceptors ((((((((((synonym: receptors are α-adrenergic, α-receptors)))))))))) – adrenoceptors which are characterized by the greatest sensitivity to noradrenaline. At excitement of α-adrenoceptors there is vasoconstriction, a mydriasis, reduction of a uterus, spleen;
- b-adrenoceptors (synonym: receptors are b-adrenergic, b-receptors) – adrenoceptors which are characterized by the greatest sensitivity to an izopropilnoradrenalin (Isadrinum). At excitement of b-adrenoceptors there is an increase of cordial reductions, relaxation of bronchial tubes, vasodilatation, braking of reductions of a uterus.
Was considered earlier that yawning enriches an organism with oxygen. However this opinion was disproved. Scientists proved that yawning, the person cools a brain and improves its working capacity.
Life expectancy in various regions of Earth is not identical. Exert impact on it social stability, economic бл...
Section: Articles about health
All are familiar with cold, and practically everyone believes that he has sufficient knowledge and experience that correctly to treat it. In practice most of people makes mistakes in attempts to get rid of rhinitis, and divides numerous delusions it....
Section: Articles about health
It is impossible to imagine human life in which there would be no plants. Practically in each apartment and any production room there are window plants, millions of people with pleasure are engaged in gardening and truck farming, many citizens spend free time on seasonal dachas. However we very seldom pay attention to those properties of our green pets who can make the neighbourhood with them unpleasant and even unsafe....
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It seems, quite recently you brought the baby from maternity hospital, but time flew by, and here it is already going to join the first...
Section: Articles about health
The depression not without reason is considered one their main troubles of our century: for scientific and technical progress, acceleration of rate of life and a surplus of information of people it is forced to pay with stresses, negative emotions and weakening of protective forces of an organism. As a result ш...
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Milk and products of its processing by right occupy one of the main places in a diet of the modern person. They contain proteins, necessary for normal life activity, fats, vitamins and microelements, and are an important part of various medical diets....
Section: Articles about health
The pine is one of the most widespread plants of our woods. Its needles and pitch not without reason called by "gallipot", since ancient times испол...
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All got used long ago that, having addressed the plastic surgeon, it is possible to modify natural parameters of a figure or to minimize the damages put to appearance with ruthless time. Many people (preferential women) worldwide е...
Section: Articles about health
Let's begin with the fact that a separate illness which is called "adjournment of salts", just does not exist. In practice this household name of disbolism leading to development of a number of diseases. Pathological process consists that in an organism there is an accumulation of salts of uric acid (as a rule, owing to failure of a water salt metabolism or insufficiently effective work of secretory system)....
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Many parents of children at the age of 2-4 years face excessively whimsical behavior of the child. The kid exhausts constant crying...
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More than a half of the married couples which faced prostatitis – leave. The new broadcast "Female View of Prostatitis" will help to learn – whether you have or your relatives problems....
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We present to yours the TOP of the medicamentous means exerting the stimulating impact on a potentiality, i.e. on ability of the man to commission of sexual intercourse. At once it is necessary to tell that not always disturbances of erectile function can be eliminated with reception of this or that drug. The reasons of decrease in a potentiality there can be a set, from banal overfatigue before tumoral process in a small basin therefore if the man faces similar problems too often, it should turn...
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Subfebrile temperature call fervescence to 38 degrees, and subfebrile condition - existence of such temperature from above...
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For residents of the countries of Southeast Asia various algas are an obligatory component of a daily diet. Their popularity is connected not only with high tastes, but also with numerous curative properties. Russians are a little familiar with...
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Is told about advantage of domestic animals for development of the child much. But many parents nevertheless do not hurry to bring pets as are afraid that they can do harm to health of children. What troubles can really trap kids and how to make joint life of a family and domestic animals comfortable and safe?...
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Any of us is not insured from a heavy illness of the loved one. Happens and so that someone from family members becomes lying бо...
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Health and attractiveness - eternal values, pursuing which people often use the most unusual ingredients and technicians. Let's consider 11 most exotic and sometimes not most pleasant Spa procedures to which the person in a pursuit for beauty agrees...
Section: Articles about health
One of the useful properties presented to the person by the nature is ability to feel fear. This ability is designed to signal about approach of a dangerous situation and to help to avoid in advance it to keep life. However if the fear is persuasive and is not reasonable, it can seriously limit possibilities of the person in respect of socialization and self-realization. Such pathological fear is called a phobia....
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Osteoporosis this general disease which main sign is decrease in density of a bone tissue. On width распростран...
Section: Articles about health
Sometimes it seems that modern society was divided into two camps: representatives of the first are sure that only the woman has to be responsible for contraception, representatives of the second, respectively, are sure that it is destiny of men. Meanwhile Dov has a question of contraception...
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Cellulitis - very widespread cosmetic shortcoming which arises approximately at 80% of women sooner or later. Emergence it is connected with change of structure of a hypodermic fatty layer. At the same time on the surface of skin at first there are roughnesses (cambers and cavities), and then small consolidations, the so-called effect of an orange-peel is shown. Changes in a condition of hypodermic cellulose are a consequence of a hormonal imbalance in an organism....
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Beauty shop – the place which is associated only with positive emotions: joy, pleasure, relaxation. One...
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The number of long-livers is very small. One person from 5 thousand lives up to age of 90 years, and the centenary boundary steps over only one of 20 thousand. However, doctors claim that each of us is quite able to affect own destiny. At the same time speech to Ida...
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People know that thermal sources have salutary force long ago. Treatment by natural waters is one of the most ancient methods of disposal of the most different diseases. Bathtubs, souls, wrappings and inhalations, in combination with water reception inside help to improve a condition of the patients suffering from disturbances of work of a musculoskeletal system, bodies of digestive tract, cardiovascular, nervous, respiratory and secretory system, skin and endocrine п...
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It would seem, about it there can be no disagreements: water is necessary for a human body for normal zhiznedeyatet...
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There comes the season of issues. Many Russians already dream of outdoor recreation, trips, beautiful seaside beaches. At this time there is no wish to think of problems with health and other unpleasant things, however there are subjects which require attention. Summer...
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One of the major chemical processes happening in a human body are oxidation reactions. They go with participation of fats and carbohydrates which we receive from food, and the oxygen getting to us from air. A main goal of such reactions is obtaining the energy necessary for life activity. Unfortunately, as a result of these processes dangerous by-products – so-called free radicals are allocated. To minimize harm which they can cause to the person neo...
Section: Articles about health