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.
Pharmacology effect
faktory imunologické
Pharmacology effect
Immunologic Factors
subject heading
openseadragon
Number of the records: 1
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