Svensk definition
Ett mindre fragment som bildas när C1s spjälkar C4 i C4a och C4b. I sin egenskap av anafylatoxin ger C4a symtom på omedelbar överkänslighet, men har svagare verkan än C3a och C5a.
Complement C4a
Komplement 4a
Engelsk definition
The smaller fragment formed when complement C4 is cleaved by COMPLEMENT C1S. It is an anaphylatoxin that causes symptoms of immediate hypersensitivity (HYPERSENSITIVITY, IMMEDIATE) but its activity is weaker than that of COMPLEMENT C3A or COMPLEMENT C5A.
Svenska synonymer
Inga svenska synonymer finns.
Engelska synonymer
C4a, Complement — Complement Component 4a — Component 4a, Complement — C4a Complement — Complement, C4a — Complement 4a