noun
- Plural of properdin; proteins in blood serum that participate in the complement system and help destroy pathogens and infected cells.
Usage: technical; immunology; usually used in plural form
Examples
- Properdins are part of the innate immune system's defense mechanism.
- The complement system includes properdins, which enhance the destruction of bacteria.
- Researchers studied how properdins interact with other immune proteins.
- Deficiency in properdins can compromise the body's ability to fight certain infections.