Pharmaceutical preparations and substances for the treatment of genetic, diabetic, metabolic, neurological, hepatological, ophthalmic, neurological, bone, and autoimmune diseases and conditions; cell preparations for the treatment of genetic, diabetic, metabolic, neurological, hepatological, ophthalmic, neurological, bone, and autoimmune diseases and conditions; living tissue in the nature of animal tissue from which cells can be harvested and used for medical purposes