antigen spinal cord homogenate 2013-11-11T15:35:41Z A condition in which the major contributing factor is a preparation of spinal cord which has been rendered uniform in structure and/or composition throughout, for example by grinding the tissue until it has been reduced to particles which are evenly distributed thoughout a fluid. Spinal cord is the long, flexible, nearly cylindric structure of nerve tissue that extends from the medulla oblongata down through the vertebral canal and from which the spinal nerves branch off to various parts of the body. XCO:0000356 experimental_condition_ontology jsmith