Pertaining to conditions without clear cause, as of spontaneous origins.
A wave of depolarization conducted along a nerve fiber or muscle fiber.
An increase in CSF production or blockage resulting in pressure on the brain. The skull cannot expand to accommodate the pressure which leads to symptoms.
Situated below something else, pertaining to the lower surface of a part.
A medical procedure which necessitates entrance into the body as part of the action required.
On the same side; affecting the same side of the body. Said of findings (paralysis) appearing on the same side of the body as the brain or spinal cord lesion producing them.
A deficiency of blood in a part of the body.
