Definition
The vermis is a structure within the cerebellum, located in the midline, separating the two cerebellar hemispheres. Think of it as the central bridge connecting the two halves of the cerebellum. It plays a key role in coordinating movements of the trunk and posture. Damage to the vermis can result in difficulties with balance and gait, affecting your ability to walk straight. It's crucial for maintaining upright posture and coordinating movements involving your core.