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Symptomatic treatment
Symptomatic treatment A treatment with drugs that only affects the symptoms of the disease, not its cause - e.g. antihistamines and corticosteroids.
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Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.
Antihistamines
"Drugs that combat the histamine released during an allergic reaction by blocking the action of the histamine on the tissue. Antihistamines do not stop the formation of histamine nor do they stop the conflict between the IgE and antigen. Therefore, antihistamines do not stop the allergic reaction but protect tissues from some of its effects. Antihistamines frequently cause mouth dryness and sleepiness. Newer ""non sedating"" antihistamines are generally thought to be somewhat less effective. Antihistamine side effects that very occasionally occur include urine retention in males and fast heart rate."
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Sympathetic nervous system
Pertaining to that part of the autonomic nervous system which usually prepares the organism to deal more effectively with a situation of strife or emergency, as in fight or flight, the functions of which contrast with or reciprocate those of the parasympathetic system Paradoxically, the sympathetic system is also responsible for the physiological phenomenon of orgasm and/or ejaculation, but not sexual arousal.
Symptom
A subjective manifestation of a pathological condition. Symptoms are reported by the affected individual rather than observed by the examiner.
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Syncope
Light-headedness or fainting caused by insufficient blood supply to the brain.
Skin prick test
Skin prick tests are used to diagnose allergies. Pricking gently through a drop of allergen extract placed on the surface of the arm may result after 10-15 minutes in the appearance of a small, itchy swelling and a reddening of the skin. This indicates an allergy.
Specific allergy vaccination
Specific allergy vaccination is also called specific immunotherapy, hyposensitisation or allergy shot. It is a vaccination programme that affects the natural course of an allergic disease, not only its symptoms. When the patient is given increasing doses of the allergen to which he or she is allergic, the immune system becomes less sensitive and the patient no longer reacts. Two different types of vaccine exist: a depot (slow-release) preparation and an aqueous solution.
Shots
See specific allergy vaccination.
Steroids
See corticosteroid drugs.
Symptomatic treatment
Serial nuclear transfer
Or recloning. The first step of this technique is a normal nuclear transfer, in which a nucleus is transferred into an enucleated egg, forming an embryo. In the second step, a nucleus from the resulting cloned embryo is transferred into another enucleated egg or an enucleated zygote (a fertilized egg with both male and female pronuclei removed). The second step can be repeated one or more times. This technique allows the nucleus to have two (or more) opportunities to be reprogrammed by egg cytoplasm (one during the original nuclear transfer, and more during subsequent nuclear transfers), thus potentially improving the chance of successful reprogramming of the nucleus.
Somatic cell nuclear transfer (SCNT)
Transfer of the nucleus from a donor somatic cell to an unfertilized egg cell from which the maternal chromosomes have been removed.
Somatic cell
Any cell of a plant or animal other than a reproductive cell or reproductive cell precursor. Latin: soma = body.
Stem cells
Nonspecialized cells that have the capacity to divide indefinitely in culture and to differentiate into more mature cells with specialized functions.
Stochastic
Random or involving a random variable.
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