Medical Dictionary


noun an·ti·hor·mone \-ˈhr-ˌmōn\

Medical Definition of ANTIHORMONE

:  a fraction of blood globulin that is capable of rendering ineffective a protein-containing heterologous hormone when the latter is administered over a period of time and that is now generally considered to be a true antibody formed in response to the presence of foreign protein
:  a substance (as tamoxifen) that blocks the action or inhibits the production of a hormone


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