atopen at·o·pen (āt’ə-pən, -pěn’)
An agent that causes an atopic reaction.


Read Also:

  • Atopic

    of or relating to . . adjective (immunol) of or relating to hereditary hypersensitivity to certain allergens adj. 1923, from atopia (see atopy) + -ic.

  • Atopic allergy

    atopic allergy atopic allergy n. See atopy.

  • Atopic cataract

    atopic cataract atopic cataract n. A cataract associated with atopic dermatitis.

  • Atopic conjunctivitis

    atopic conjunctivitis atopic conjunctivitis n. See allergic conjunctivitis.

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