anaphylaxis
Meanings
noun
- Extreme sensitivity to a substance such as a foreign protein or drug.
- A severe and rapid systemic allergic reaction to an allergen, causing a constriction of the trachea, preventing breathing; anaphylactic shock.
Pronunciation
Word forms
Etymology
Borrowed from French anaphylaxie, coined by French physiologist and parapsychologist Charles Richet and French zoologist Paul Portier from the Ancient Greek ᾰ̓νᾰ- (ănă-, “(intensifier) thoroughly”) from ᾰ̓νᾰ́ (ănắ, “to, again, upon”) and φύλαξις (phúlaxis, “protection, watching, guarding”).
Related words
Derived words
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