A wheal-and-flare reaction is a skin reaction observed in an allergic individual when an allergen to which they have been sensitized is injected into the dermis, consisting of a raised area with edema fluid and an inflammatory reaction.
Una reacción de habón y edema es una reacción cutánea en un individuo alérgico sensibilizado cuando se inyecta un alérgeno en la dermis, resultando en una elevación de la piel con edema y una reacción inflamatoria circundante.
| Front | A skin reaction observed in an allergic individual when an allergen to which the individual has been sensitized is injected into the dermis. It consists of a raised area of skin containing edema fluid, and a spreading, red, itchy inflammatory reaction around it |
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| Back | wheal-and-flare reaction |
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