allotope

al·lo·tope

(al'ō-tōp), Do not confuse this word with allotrope.
A polymorphic region constituting antigenic determinant on the constant region of an allotype.
[allo- + -tope]

allotope

A non-varying (biochemically constant) region of an antibody.

al·lo·tope

(al'ō-tōp)
The antigenic determinant of an allotype.
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