Immunology deals with the body’s defense mechanisms and their disorders. The immune system is the bulwark against invading harmful bacteria, viruses, fungi, parasites and toxins. If the immune defense is weakened, such invaders have an easy time. However, an excessive immune reaction, such as occurs in allergies and autoimmune diseases, is also problematic. The tasks … Immunology
Opsonization is a process of the immune system. In this process, antibodies or proteins of the complement system bind to cells foreign to the body and label them to make them detectable by phagocytes. Lack of opsonization is tantamount to a defense deficiency and often corresponds to a hereditary deficiency of certain complement factors. What … Opsonization: Function, Tasks, Role & Diseases
The sinuses are air-filled cavities within the bony structure of the skull. The most common complaint is sinusitis, which is associated with pain and runny nose, but usually resolves after 10 days. What are the sinuses? The paranasal sinuses are spaces within the bony structure of the skull and face that are filled with air. … Paranasal Sinuses: Structure, Function & Diseases
What is Stevens-Johnson syndrome? Stevens-Johnson syndrome is a very rare and serious disease. The cause of this disease is often a previous infection or the intake of a new drug. The disease is caused by an overreaction of the immune system. The disease becomes noticeable by a detachment of the skin, painful blisters and a … Stevens-Johnson syndrome
Therapy If Stevens-Johnson syndrome has arisen from taking a new drug, it should be stopped immediately. In general, the triggering cause should be avoided if it is known and the possibility exists. Intensive therapy is similar to the treatment of burns: fluid is given, the wounds are treated and, if necessary, consequences such as blood … Therapy | Stevens-Johnson syndrome
So is Lyell syndrome different from Stevens-Johnson syndrome? The Stevens-Johnson syndrome defines a skin infection of less than 10% of the total body surface. If up to 30% of the body surface is affected, it is called a transitional form. Skin infestation of more than 30% of the body surface is called toxic epidermal necrolysis. … So is Lyell syndrome different from Stevens-Johnson syndrome? | Stevens-Johnson syndrome
People who have cross-immunity are simultaneously immune to a homologous (similar) other pathogen upon contact with one pathogen. Synonyms are acquired immunity and cross-reactivity. What is cross-immunity? Cross-immunity is directed by a specific immune response against a specific antigen (pathogen). Cross-immunity is directed by a specific immune response against a specific antigen (pathogen). However, the … Cross-immunity: Function, Role & Diseases
Cyclosporine is a drug that belongs to the immunosuppressants. It is obtained from the tubular fungi Cylindrocarpon lucidum and Tolypocladium inflatum. Chemically, it represents a cyclic peptide of eleven amino acids. What is cyclosporine? Cyclosporine has a depressant effect on the immune system. It is therefore applied to suppress, for example, the rejection reactions in … Cyclosporine: Effects, Uses & Risks
Introduction Lymph node swelling after a dental root canal treatment may indicate an infection related to the previous treatment. Lymph node swelling is initially a very unspecific symptom that has no disease value and only in a few cases results in a disease that requires treatment. In the case of lymph node swelling, irritation of … Lymph node swelling after root canal treatment
When and how must be treated? Root canal treatments in dentistry are associated with a comparatively high risk of infections affecting the bloodstream and involving various organs. For this reason, antibiotic prophylaxis can be administered in advance of treatment to nip any infections in the bud. If lymph node swelling occurs after root canal treatment, … When and how must be treated? | Lymph node swelling after root canal treatment
Free radicals have a positive effect on our body and are therefore indispensable. However, if they are present in our body in increased numbers, this positive effect is reversed into the negative. If too many free radicals unfold their harmful effect in our body, this can lead to the fact that important proteins of the … Free Radicals: Structure, Function & Diseases
Type III allergy is a so-called “immune complex type” reaction. In this case, antigen-antibody complexes are deposited in vessel walls of blood vessels and lead to local inflammation there, due to which the vessels can become narrowed and clogged and the affected organs can be destroyed. What is type III allergy? The classification of allergy … Type III Allergy: Causes, Symptoms & Treatment
