heteroantiserum

het·er·o·an·ti·se·rum

(het'ĕr-ō-an'ti-sē-rŭm), Antiserum developed in one animal species against antigens or cells of another species.

het·er·o·an·ti·se·rum

(het'ĕr-ō-an'tē-sēr'ŭm) Antiserum developed in one animal species against antigens or cells of another species.