Properdin
noun
1.
(immunol) a protein present in blood serum that, acting with complement, is involved in the destruction of alien cells, such as bacteria
properdin pro·per·din (prō-pûr’dn)
n.
A natural protein in human blood serum that participates in the body’s immune response by working in conjunction with the complement system.
Read Also:
- Properdin factor a
properdin factor A n. A component of the properdin system that is a hydrazine-sensitive form of beta-globulin and the third component of complement.
- Properdin factor b
properdin factor B n. A normal serum protein and a component of the properdin system.
- Properdin factor d
properdin factor D n. A normal serum alpha-globulin required in the properdin system.
- Properdin factor e
properdin factor E n. A serum protein required for activation of the third component of complement.
- Properdin system
properdin system n. An alternative system by which, in the absence of antibodies bound to immunoglobulins and components of complement, the immunological cascade occurs, with the activation of critical components of complement aided by the stabilizing properties of properdin.