Opsonic index meaning

The opsonic index measures the ability of antibodies to enhance phagocytosis of pathogens by immune cells.


Opsonic index definitions

Word backwards cinospo xedni
Part of speech The part of speech of the word "opsonic index" is a noun phrase.
Syllabic division op-son-ic in-dex
Plural The plural of opsonic index is opsonic indexes.
Total letters 12
Vogais (3) o,i,e
Consonants (6) p,s,n,c,d,x

When looking at the body's immune response, one important factor to consider is the opsonic index. This index measures the efficiency of antibodies in promoting phagocytosis, which is the process where specialized cells engulf and destroy foreign particles.

Opsonins are molecules that bind to pathogens, marking them for destruction by immune cells. The opsonic index quantifies how well these opsonins are functioning in this process. A high opsonic index indicates a robust immune response, while a low index may suggest a weakened immune system.

How is the Opsonic Index Calculated?

The opsonic index is calculated by comparing the number of bacteria killed in the presence of a patient's serum (containing antibodies) versus the number killed in the absence of serum. This comparison helps determine the opsonic activity of the antibodies present.

Significance of the Opsonic Index

The opsonic index is an essential tool in assessing immune function, especially in cases of recurrent infections or immunodeficiency disorders. By measuring how effectively antibodies are marking pathogens for destruction, healthcare providers can better understand a patient's ability to fight off infections.

Understanding the opsonic index can provide valuable insights into a patient's immune health and guide treatment decisions. Regular monitoring of the opsonic index can help track changes in immune function over time, enabling healthcare providers to adjust treatment plans as needed.


Opsonic index Examples

  1. The opsonic index of the patient was found to be low, indicating a decreased ability to fight off infections.
  2. The researcher measured the opsonic index of different samples to determine their effectiveness in promoting phagocytosis.
  3. An opsonic index test can help diagnose certain autoimmune diseases that affect the immune system.
  4. The opsonic index was used as a marker to evaluate the efficacy of a new vaccine in clinical trials.
  5. A low opsonic index may suggest an underlying deficiency in the body's immune response mechanisms.
  6. Doctors may monitor changes in the opsonic index of a patient undergoing treatment for a bacterial infection.
  7. Research studies have shown a correlation between the opsonic index and the severity of certain inflammatory diseases.
  8. An opsonic index assay is often performed in the laboratory to assess the opsonization process in the body.
  9. Improving the opsonic index through dietary changes and supplements may enhance the body's ability to fight off pathogens.
  10. The opsonic index can be a valuable tool in predicting the risk of recurrent infections in certain patient populations.


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  • Updated 08/04/2024 - 06:02:33