atopen

atopen

 [at´o-pen] the antigen responsible for atopy.

at·o·pen

(at'ō-pen), An old term to denote the excitant causing any form of atopy.

atopen

An obsolete term for any antigen capable of evoking an atopic reaction or an allergic immune response.

at·o·pen

(at'ŏ-pen) The excitant causing any form of atopy.