Hemagglutination meaning

Hemagglutination is a process in which red blood cells clump together due to the presence of specific molecules on their surface.


Hemagglutination definitions

Word backwards noitanitulggameh
Part of speech The word "hemagglutination" is a noun.
Syllabic division he-mag-glut-i-na-tion
Plural The plural form of hemagglutination is hemagglutinations.
Total letters 16
Vogais (5) e,a,u,i,o
Consonants (6) h,m,g,l,t,n

Hemagglutination is a laboratory technique used to identify the presence of certain antibodies or viruses in a sample based on their ability to clump together red blood cells. This process involves the binding of antigens on the surface of red blood cells to antibodies present in the sample, leading to the formation of visible clumps or aggregates.

The Principle of Hemagglutination

The principle behind hemagglutination lies in the specific interaction between antigens and antibodies. When antibodies in a sample recognize and bind to antigens on the surface of red blood cells, they cause the cells to agglutinate, or clump together. This agglutination reaction can be visually observed and is used to detect the presence of specific antibodies or viruses.

Applications of Hemagglutination

Hemagglutination is widely used in various fields such as blood typing, serology, virology, and immunology. It is a valuable tool for identifying the presence of antibodies in patient serum, diagnosing viral infections, and studying antigen-antibody interactions. Hemagglutination assays are simple, rapid, and cost-effective, making them a popular choice in many laboratory settings.

Procedure of Hemagglutination

The hemagglutination procedure involves mixing the sample containing antibodies or viruses with a suspension of red blood cells. The mixture is then incubated, allowing the antibodies to bind to the red blood cells. If agglutination occurs, the red blood cells will clump together, indicating a positive result. Various factors such as pH, temperature, and the concentration of antibodies can influence the outcome of the hemagglutination test.

Significance of Hemagglutination

Hemagglutination plays a crucial role in the identification and quantification of antibodies and viruses. It is used in blood transfusion medicine to match blood types between donors and recipients, in diagnosing infectious diseases based on antibody levels, and in detecting the presence of viral particles. Hemagglutination assays provide valuable diagnostic information that guides clinical decision-making and treatment protocols.

In conclusion, hemagglutination is a powerful laboratory technique with diverse applications in the fields of immunology, virology, and serology. By exploiting the antigen-antibody interactions that lead to red blood cell agglutination, hemagglutination assays offer a rapid and reliable method for detecting antibodies and viruses in biological samples.


Hemagglutination Examples

  1. Hemagglutination is a laboratory technique used to detect certain viruses in blood samples.
  2. The hemagglutination assay showed a positive reaction, indicating the presence of an influenza virus.
  3. Hemagglutination can also occur in the body as part of the immune response to infection.
  4. The doctor explained that hemagglutination is a key step in the process of red blood cell clumping.
  5. Researchers used hemagglutination inhibition tests to study the effectiveness of different vaccines.
  6. The hemagglutination test results helped confirm the diagnosis of a viral illness in the patient.
  7. Hemagglutination is commonly used in virology to study the binding of viruses to red blood cells.
  8. The hemagglutination reaction can be observed under a microscope in the lab.
  9. Antibodies play a crucial role in preventing hemagglutination of red blood cells by viruses.
  10. Hemagglutination can sometimes be used as a screening tool for certain diseases.


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  • Updated 19/04/2024 - 21:05:11