desetope

de·se·tope

(dē'se-tōp),
That part of the Class II major histocompatibility molecule that interacts with the antigen. The term desetope is derived from determinant selection.
[determinant selection + -tope]

de·se·tope

(des'ĕ-tōp)
That part of the Class II major histocompatibility molecule that interacts with the antigen.
[determinant selection + -tope]