The 'worm' in our brain. An anatomical, historical, and philological study on the vermis cerebelli.

The cell doctrine-the theory of ventricular localization of the mental faculties-includes Galen's idea of a locking or valve mechanism between the middle and the rear ventricle. The anatomical substrate was the vermiform epiphysis, known today as the . This entity played a significant role in brain physiology even though its appearance, texture, and location changed over time.

Five-year results of cervical disc prostheses in the SWISSspine registry.

Background: The Swiss Federal Office of Public Health demanded a nationwide HTA-registry for cervical total disc arthroplasty (TDA), to decide about its reimbursement. The goal of the SWISSspine registry is to generate evidence about the safety and efficiency of cervical TDA.

Materials And Methods: Three hundred thirty-two cases treated between 3.