1 The residue of cooked or uncooked fruit or vegetables after sieving or pressing out the juice. citrus pulp is sometimes used in manufactured orange drinks.  noun material produced from recycled paper, rags or ground wood, mixed with water, used for making paper.
Medical Definition of MYELITIS. : inflammation of the spinal cord or of the bone marrow. â myÂ·eÂ·litÂ·ic \-Ëlit-ik\ adjective. inflammation of the spinal cord or of the bone marrow.
Polymyositis (PM)(inflammation of many muscles) is a type of chronic inflammation of the muscles (inflammatory myopathy) related to dermatomyositis and inclusion body myositis.olymyositis is an inflammatory myopathy mediated by cytotoxic T cells with an as yet unknown autoantigen, while dermatomyositis is a humorally mediated angiopathy resulting in myositis and a typical dermatitis. The cause of polymyositis is unknown and may involve viruses and autoimmune factors.