名詞 reagin:

1. an immunoglobulin E that is formed as an antibody against allergens (such as pollen); attaches to cell membranes causing the release of histamine and other substances responsible for the local inflammation characteristic of an allergy

re.a.gin

n.（名詞）
An antibody found in the blood of individuals having a genetic predisposition to allergies such as asthma and hay fever.
反應(yīng)素：個(gè)體血液中的一種抗體，可以對(duì)諸如氣喘病和光粉熱這些變態(tài)反應(yīng)產(chǎn)生預(yù)先的基因處理
A substance present in the blood of individuals having a positive serological test for syphilis.
梅毒反應(yīng)毒：個(gè)體血液中的一種物質(zhì)，可對(duì)梅毒產(chǎn)生向性血清反應(yīng)

來(lái)源：
reag(ent)
reag(ent)
-in
-in

【引伸】
re.agin.ic
re.agin.ically
adv.（副詞）