definiens: means any product for human and/or animal therapeutic orprophylactic use, now or hereafter developed by [COMPANY], which is produced ( orsusceptible of being produced ) from or incorporates any antibody ( includingFragments thereof as hereinafter defined ) secreted from the E5 Cell Line ( ashereinafter defined ) or any other cell line capable of producing said antibody, or which product is chemically, organically, biologically or syntheticallyderived from or based upon any such antibody, in each case ( i ) either alone orin combination with any other therapeutic agent and ( ii ) together with allpharmaceutical compositions and dosage < PAGE > 3 units thereof . For the purposes of this Section 1(b ), the term shallmean any part or parts of any said antibody chemically, biologically ororganically obtained from said antibody, or synthetically produced, and whichmimics the biological behavior of said antibody . For purposes of this Section1(b ), the term shall mean the cell line described as a murinehybridoma as identified by American Type Culture Collection No . HB 9081 andmutants and genetically manipulated variants thereof