Stelara is administered as a subcutaneous injection by a health care provider. Remicade is given through IV infusion in a doctorâs office or infusion center. Biologics are prescribed for individuals with moderate to severe cases of plaque psoriasis and psoriatic arthritis.They are a viable option for those who have not responded to or have experienced harmful side effects from other treatments.emicade is given through IV infusion in a doctorâs office or infusion center. Biologics are prescribed for individuals with moderate to severe cases of plaque psoriasis and psoriatic arthritis. They are a viable option for those who have not responded to or have experienced harmful side effects from other treatments.
Gray matter: The cortex of the brain, which contains nerve cell bodies. The gray matter is so named because it is darker than the white matter, the part of the brain that contains myelinated nerve fibers. Last Editorial Review: 3/19/2012. Back to MedTerms online medical dictionary A-Z List.
matter. 1. physical material having form and weight under ordinary conditions; called also substance. 2. pus. gray matter areas of the nervous system where the nerve fibers are unmyelinated (not enveloped by a myelin sheath) ; it contains the bodies of the nerve cells.Tissue composed of myelinated fibers is called white matter.he white nervous tissue, constituting the conducting portion of the brain and spinal cord, composed mostly of myelinated nerve fibers. Gray matter or substance is the term used to describe the tissues composed of unmyelinated fibers.