Glossary
- MYELIN
- The fat-like substance which surrounds the axon nerve fibers and forms an insulating material.
- MYELOCELE
- Protrusion of the spinal cord in spina bifida. Herniation and protrusion of substance of spinal cord through defect in the bony spinal canal.
- MYELOCYSTOCELE
- Cystic protrusion of substance of the spinal cord through a defect in the bony spinal canal.
- MYELOCYSTOMENINGOCELE
- Cystic protrusion of substance of the spinal cord, with meninges, through a defect in the spinal canal.
- MYELODYIASTASIS
- Separation of the spinal cord.
- MYELODYSPLASIA
- Defective development of any part of spinal cord.
- MYELOENCEPHALITIS
- Inflammation of the spinal cord and brain; myelencephalitis.
- MYELOGRAM
- An x-ray of the spinal canal following injection of a contrast material into the surrounding cerebrospinal fluid spaces.
- MYELOGRAPHY
- Radiography of the spinal cord and nerve roots after the injection of a contrast medium into the spinal subarachnoid space.
- MYELOMALACIA
- Softening of the spinal cord.
- MYELOMENINGITIS
- Inflammation of the spinal cord and meninges (spinal membranes).
- MYELOMENINGOCELE
- A protrusion of the spinal cord and its coverings through a defect in the vertebral column. Herniation of cord and meninges through a defect in the vertebral column.
- MYELONEURITIS
- Inflammation of the spinal cord and peripheral nerves.
- MYELOPARALYSIS
- Spinal paralysis.
- MYELOPATHY
- Any functional or pathologic disturbance in the spinal cord.
- MYELOPHTHISIS
- Wasting of the spinal cord; reduction of cell-forming function of bone marrow.
- MYELOPLEGIA
- Spinal paralysis.
- MYELORADICULITIS
- Inflammation of spinal cord and nerve roots.
- MYELORADICULOPATHY
- Disease of spinal cord and spinal nerve roots.
- MYELORRHAGIA
- Spinal hemorrhage.
- MYELOSCELEROSIS
- Hardening of the spinal cord.
- MYELOSYPHILIS
- Syphilis of the spinal cord.
- MYELOTOMY
- A procedure for severing tracts in the spinal cord.
- MYOPATHY
- Any disease of muscle.
- MYOSITIS
- Inflammation of the muscle.
- NAFFZIGER SYNDROME
- Intervertebral disc disease, cervical rib, or some other disorder causes the scalene muscles to go into spasm, resulting in pressure on the major nerve plexus of the arm causing pain in the neck, shoulder, arm, and hand; scalenus anticus syndrome.
- NEOPLASM
- Any new or abnormal growth, specifically a new growth of tissue in which the growth is uncontrolled.
- NERVE
- A whitish cordlike structure composed of one or more bundles of myelinated or unlyelinated fibers, or more often mixtures of both coursing outside of the central nervous system, together with connective tissue within the fascicle and around the neurolemma of individual fibers.
- NERVE ROOT
- The portion of a spinal nerve in close proximity to its origin from the spinal cord.
- NEURAL ARCH
- The bony arch of the posterior aspect of a vertebra that surrounds the spinal cord, also referred to as the vertebral arch.
