The fatty substance that covers and protects nerves. Myelin is a layered tissue that surrounds the nerve fibers (axons). This sheath around the axons acts like a conduit in an electrical system, ensuring that messages sent by axons are not lost en route.
The formation of the myelin sheath around a nerve fiber. Also known as myelinization.
The formation of the myelin sheath around a nerve fiber. Also known as myelination.
Inflammation of the spinal cord, such as from infection or immune inflammation.
- Myelitis, transverse
herpes simplex, herpes zoster, cytomegalovirus, Epstein-Barr virus, enteroviruses (poliomyelitis, Coxsackie virus, echovirus), human T-cell leukemia virus, human immunodeficiency virus (HIV), influenza, measles, and rabies, Mycoplasma pneumoniae, Lyme borreliosis, syphilis, and tuberculosis. There is no specific treatment for transverse myelitis. The prognosis for complete recovery from transverse myelitis is generally not good. Although recovery usually begins […]
- Myelodysplastic syndrome
One of a group of disorders characterized by abnormal development of one or more of the cell lines that are normally found in the bone marrow. Patients can develop a variety of symptoms related to anemia, low or high white blood cell count, infections, and bleeding problems. Myelodysplastic syndrome may progress and become acute leukemia. […]