in such a way as to render it free of viable cells this tissue material is then combined with a plurality of cell types to create an organ like structure this organ like structure can then be implanted to replace a diseased or damaged host organ as used herein the terms u201c comprises u201d u201c comprising u201d and the like can have the meaning ascribed to them in u s patent law and can mean u201c includes u201c including u201d and the like in the context of this application u201c organ like structure u201d comprises a structure that has full or partial function of the native organ it resembles examples would include a structure resembling and functioning similar to a kidney a liver a pancreas a heart an intestine a lung preferably the allograft organ or tissue is harvested from a human source by currently approved methods and guidelines the allograft organ or tissue is then processed according to standard industry practice to result in no viable cells remaining to remove viruses and to remove other undesirable components the resultant tissue material is free of living cells and maintains the natural architecture and structure of the original organ or tissue examples of treatment include detergents salt solutions alcohols antibiotics and antimicrobials the allograft organs or tissue contained in this embodiment include kidney liver pancreas heart intestine and lung the processed allograft.