An antibody or substance produced to counteract or neutralize albumin protein.
Scientific term: 'anti-' combined with 'albumin' (the major protein in blood serum, from Latin 'albus' for white, because egg white contains it). Used in immunology from the early 1900s.
The immune system is so sophisticated it can target individual proteins—our bodies literally make 'anti-' versions of things, which is why immunologists named these responses with the 'anti-' prefix to show this elegant molecular opposition.
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