Medical Definition of Complement 5a
1.
Smaller fragment formed when c5 convertase splits c5 into c5a and c5b. C5a is a 74-amino acid peptide that includes a carboxy-terminal arginine crucial for its spasmogenic activity and a carbohydrate moiety. C5a is the most potent anaphylatoxin mediating immediate hypersensitivity.
Chemical name: Complement C5a
(12 Dec 1998)
Lexicographical Neighbors of Complement 5a
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