tremor
Tremor refers to a movement disorder characterized by involuntary, strictly rhythmic, and repetitive contractions of antagonistic muscle groups.
glossary
trepanation
Trepanation is a medical procedure in which a hole is drilled into a bone, most commonly the skull, to relieve pressure, drain fluid, or provide access to the interior. While cranial trepanation is one of the oldest known surgical procedures (used to relieve pressure or drive out evil spirits), the term is now also used for procedures ... Continue reading