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Reagin

6 lettersnounrare

Updated June 2026

Definition

An immunoglobulin E antibody formed in response to allergens such as pollen, which attaches to cell membranes and triggers histamine release, causing allergic inflammation.

Elevated levels of reagin in the blood confirmed the patient's severe hay fever.

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Synonyms

igeimmunoglobulin e

Word Game Tips

🟩

Wordle

Contains vowels E, A, I, G in position 5 is unusual and a key distinguishing clue

🔤

Scrabble

G scores 2 points, useful mainly for clearing A, E, G, I, N, R from a vowel-heavy rack

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