Glossary

Lumbar puncture – refers to the percutaneous introduction of a needle into the cerebrospinal fluid space of the lumbar spine. This is typically done either for obtaining a specimen of cerebrospinal fluid for analysis or for the delivery of a therapeutic or diagnostic agent.

Large Vessel Occlusion. Refers to the blockage of a large blood vessel as could be seen in an ischemic stroke.

The initial, horizontal segment of the middle cerebral artery.

A sophisticated imaging technique using magnetic fields instead of x-rays to create the image.

Middle cerebral artery

Mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes.  A genetic disorder of mitochondria occurring in children and adults and associated with neurologic deficits.

Muscle Evoked Potential. Refers to a recorded nerve or muscle potential that is evoked by stimulation of the central nervous system, typically transcranial cortical stimulation. The D-Wave refers to the recorded upper motor neuron potential and the muscle MEP refers to the potential recorded from a muscle.

Muscle Evoked Potential. Refers to a recorded nerve or muscle potential that is evoked by stimulation of the central nervous system, typically transcranial cortical stimulation. The D-Wave refers to the recorded upper motor neuron potential and the muscle MEP refers to the potential recorded from a muscle.

Maternal-Fetal Medicine: a subspecialty of obstetrical medicine that specializes in the care of women with complicated or high-risk pregnancies.

O-6-methylguanine-DNA methyltransferase-an enzyme that repairs DNA damage due to methylation. The gene responsible for the synthesis of this enzyme is variably expressed and tumors with epigenetic silencing of this gene have been found to be particularly sensitive to the drug temozolomide.